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What is Calcium?

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Periodic table of chemical elements is an arrangement of elements in the form of rows (period) and columns (Group). They are arranged with respect to their atomic numbers and similar characteristics. Calcium In Periodic Table </>
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It’s an atomic symbol of Calcium which helps identifying it in periodic table. Symbol
Ca
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Group number of Metals is vertical column number in periodic table. Group Number
2
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16
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Period number is a horizontal row number of Metals in periodic table. Period Number
4
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Periodic table is subdivided into 4 blocks i.e p-block, d-block, s-block and f-block. Block
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The s-block is on the left side of the periodic table that includes elements from the first two columns, the alkali metals (group 1) and alkaline earth metals (group 2), plus helium.s block
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Metals belongs to the subcategory of periodic table. Different element families exist in this table. For example, Alkali metals, Transition metals, alkaline earth metals, post-transition metals, Lanthanide & Actinide series metals. Element Family
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All alkaline earth metals are placed under group number 2 and s-block of periodic table. These metals are somewhat reactive at standard conditions. Alkaline earth metals appear shiny, silvery-white and are found in the earth’s crust.Alkaline Earth
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The Chemical Abstract Service (CAS) is part of the American Chemical Society and maintains a database of chemical compounds and sequences. and each element has its unique identification number known as CAS number. CAS Number
7440702
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21
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The crystallographic or Fedorov groups, and represent a description of the symmetry of the crystal. Space Group Name
Fm_ 3m
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The crystallographic or Fedorov groups, and represent a description of thesymmetry of the crystal. Space Group Number
225.00
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2
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Want to know Interesting and lesser known facts about Calcium, then you are at the right place. Facts about Calcium </>
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Bunch of Interesting facts about Calcium. Interesting Facts
  • Calcium ranks 5th rank in the list of earth’s abundance Percentage.
  • It is found in the compound state.
  • Gypsum or calcium sulfate is used as plaster and plaster of paris.
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List of different sources of Calcium. Sources
  • Earth's crust
  • Found in Minerals
  • Mining
  • Ores of Minerals
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Lets check out the facts about history of Calcium. History of Calcium
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You might be wondering who discovered Calcium metal? Who Discovered Calcium
Humphry Davy
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Calcium metal’s discovery period. Because we think most of the metals are discovered by our ant-sisters but is it really true? Let’s Find out then! Discovery
In 1808
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Abundance percentage of Calcium metal at various places. This will give you an idea about its Abundance levels. Abundance of Calcium
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Abundance percentage of Calcium in Universe. Abundance In Universe
0.01 %
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3
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Abundance percentage of Calcium in Sun. Abundance In Sun
0.01 %
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5
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Abundance percentage of Calcium in Meteorites. Abundance In Meteorites
1.10 %
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4
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Abundance percentage of Calcium in Earth’s Crust. Abundance In Earth’s Crust
5.00 %
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3
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Abundance percentage of Calcium in Oceans. Abundance In Oceans
0.00 %
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5
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Abundance percentage of Calcium in Humans. Abundance In Humans
1.40 %
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1
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Different types of Calcium Uses and benefits are listed down below. Uses of Calcium </>
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Uses & Benefits Uses & Benefits
  • It is used as a reducing agent while preparing metals like thorium and uranium. It is also used as an alloying agent for metals such as aluminum, copper & lead.
  • Calcium carbonate or lime stone is used in cement.
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List of industrial uses of Calcium. Industrial Uses
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This metal is used in chemical industry where it is used making different chemical compounds or elements and alloys.Chemical Industry
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List of medical uses of Calcium. Medical Uses
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    Dentistry is a branch of medicine that is involved in the study/diagnosis/prevention/treatment of oral diseases.Dentistry
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    This metal is used in the pharmaceutical industry and helps to develops, produces, and markets drugs or pharmaceuticals for use as medications.Pharmaceutical Industry
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List of lesser known uses of Calcium metal. Other Uses
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An alloy is a mixture of metals or a mixture of a metal and another element. Alloys of this metals are very useful.Alloys
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Biological properties of Calcium. Biological Properties
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Toxicity level of Calcium metal. Toxicity
Non Toxic
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Whether Calcium metal is present in the Human Body? Present in Human Body
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What amount of Calcium is present in human blood normally? In Blood
60.50 Blood/mg dm-3
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4
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What amount of Calcium is present in human bone normally? In Bone
170,000.00 p.p.m.
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1
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Physical properties or characteristics of Calcium. These properties are mostly related to its appearance and surface. Physical Properties of Calcium </>
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The temperature at which Metals metal starts melting. Melting Point
839.00 °C
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52
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The temperature at which Metals starts boiling. Not literally it is a temperature point at which it converts to vapors. Boiling Point
1,484.00 °C
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58
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Physical appearance or look and feel of Calcium is described here. Appearance of Calcium
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Physical state or phase of Calcium at room temperature. Physical State
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At room temperature almost all metal are found in solid physical sate but only the mercury element found in liquid state.Solid
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One might wonder, what is the exact color of Calcium metal in nature? Color
Gray
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Metals generally exhibit a metallic luster! Lets check out the look and feel of Calcium metal. Luster
NA
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Hardness of Calcium which measures how resistant this metals is to various kinds of permanent shape change when a compressive force is applied. Hardness of Calcium
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Mohs Hardness of Calcium is a scale for measuring its hardness. Mohs Hardness
1.75
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17
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Brinell Hardness of Calcium is a scale for measuring their hardness. Brinell Hardness
170.00 MPa
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44
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The speed of sound is the distance traveled per unit time by a sound wave propagating through an elastic medium. Speed of Sound
3,810.00 m/s
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19
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Optical properties related to refractive index & the reflectivity parameters of Calcium. Optical Properties
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Allotropes are different structural modifications of an metals; the atoms of the metals are bonded together with the help of different crystal structure. Allotropes
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There are usually 3 tyopes of allotropes, out of these alpha allotropes of this metal are listed here. α Allotropes
Not Available
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There are usually 3 tyopes of allotropes, out of these beta allotropes of this metal are listed here. β Allotropes
Not Available
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There are usually 3 tyopes of allotropes, out of these gamma allotropes of this metal are listed here. γ Allotropes
Not Available
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Chemical properties or characteristics of Calcium are listed here. Chemical Properties of Calcium </>
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Chemical formula or atomic symbol of Calcium. This symbol is very useful while mentioning chemical reactions and equations of this metals. Chemical Formula
Ca
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Isotopes of Calcium are its variants, which differ in neutron number present in the nucleus. Isotopes of Calcium
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The total number of known Isotopes of this metal. Known Isotopes
19
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20
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Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. Electronegativity
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Pauling Electronegativity is very popular scale to measure Electronegativity of metals. Pauling Electronegativity
1.00
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45
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Sanderson Electronegativity is another scale to measure the Electronegativity of metals. Sanderson Electronegativity
0.95
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24
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Allred Rochow Electronegativity is very famous scale to measure Electronegativity. Allred Rochow Electronegativity
1.04
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34
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Mulliken-Jaffe Electronegativity is very famous scale to measure Electronegativity. Mulliken-Jaffe Electronegativity
1.08
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17
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Allen Electronegativity is very famous scale to measure Electronegativity. Allen Electronegativity
1.03
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39
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Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. Opposite of that is known as Electropositivity. Electropositivity
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Pauling Electropositivity is scale used to mesure Electropositivity of Calcium. Pauling Electropositivity
3.00
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9
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The ionization energy (IE) or the ionization potential is qualitatively defined as the amount of energy required to remove the most loosely bound electron of an isolated gaseous atom to form a cation. Ionization Energies
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1st energy level of Calcium. 1st Energy Level
589.80 kJ/mol
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57
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2nd energy level of Calcium. 2nd Energy Level
1,145.40 kJ/mol
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69
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3rd energy level of Calcium. 3rd Energy Level
4,912.40 kJ/mol
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7
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4th energy level of Calcium. 4th Energy Level
6,491.00 kJ/mol
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7
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5th energy level of Calcium. 5th Energy Level
8,153.00 kJ/mol
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7
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6th energy level of Calcium. 6th Energy Level
10,496.00 kJ/mol
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8
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7th energy level of Calcium. 7th Energy level
12,270.00 kJ/mol
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12
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8th energy level of Calcium. 8th Energy Level
14,206.00 kJ/mol
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15
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9th energy level of Calcium. 9th Energy Level
18,191.00 kJ/mol
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12
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10th energy level of Calcium. 10th Energy Level
20,385.00 kJ/mol
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16
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11th energy level of Calcium. 11th Energy Level
57,110.00 kJ/mol
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3
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12th energy level of Calcium. 12th Energy Level
63,410.00 kJ/mol
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4
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13th energy level of Calcium. 13th Energy Level
70,110.00 kJ/mol
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4
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14th energy level of Calcium. 14th Energy Level
78,890.00 kJ/mol
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4
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15th energy level of Calcium. 15th Energy Level
86,310.00 kJ/mol
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5
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16th energy level of Calcium. 16th Energy Level
94,000.00 kJ/mol
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6
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17th energy level of Calcium. 17th Energy Level
104,900.00 kJ/mol
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7
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18th energy level of Calcium. 18th Energy Level
111,711.00 kJ/mol
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9
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19th energy level of Calcium. 19th Energy Level
494,850.00 kJ/mol
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1
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20th energy level of Calcium. 20th Energy Level
527,762.00 kJ/mol
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2
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The electrochemical equivalent of a Calcium element is the mass of this element (in grams) transported by 1 coulomb of electricity. The electrochemical equivalent of an element is measured with a voltameter. Electrochemical Equivalent
0.75 g/amp-hr
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64
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Electron work function of Calcium is the minimum thermodynamic work (i.e. energy) needed to remove an electron from a solid to a point in the vacuum immediately outside the solid surface. Electron Work Function
2.87 eV
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38
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List of all chemical properties/characteristics/behavior of Calcium. Other Chemical Properties
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Stable metals are non radioactive metals and have zero valence electrons in the outer shell.Chemical Stability, 
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Flammable metals have ability to burn or ignite, causing fire or combustion.Flammability, 
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Ionization is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.Ionization, 
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Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.Solubility
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Detailed information about the atomic structure of Calcium. Atomic Properties of Calcium </>
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Atomic number of Metals is the number of protons present in the atom of Metals metal. Atomic Number
20
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86
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The electron configuration of Calcium is the distribution of its electrons in atom or molecule in atomic or molecular orbitals. Electron Configuration
[Ar] 4s2
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In mineralogy and crystallography, a crystal structure is a unique arrangement of atoms in a crystal. There are different types of Crystal structure exhibited by metals. Crystal Structure
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In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.Face Centered Cubic (FCC)
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Images of crystal lattice of Calcium. It is a symmetrical three-dimensional arrangement of atoms inside a crystal. Crystal Lattice
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Information about number of Electrons, protons and neutrons present inside the atom of Calcium Metal. Atom of Calcium
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Number of protons present in the nucleus of Calcium. Number of Protons
20
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85
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Number of neutrons present in the nucleus of Calcium. Number of Neutrons
20
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65
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Number of Electrons present inside the atom of Calcium. Number of Electrons
20
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85
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Radius of an Atom of Calcium. Different radius measures are listed below. Radius of an Atom
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The atomic radius of Calcium can be defined as a measure of the size of its atoms. Atomic Radius
197.00 pm
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6
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The covalent radius of Calcium can be defined as a measure of the size of its atoms. Covalent Radius
176.00 pm
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22
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The Van der Waals Radius of Calcium can be defined as a measure of the size of its atoms. Van der Waals Radius
231.00 pm
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19
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The atomic weight is the average of the isotope weights weighted for the isotope distribution and expressed on the 12C scale. Atomic Weight
40.08 amu
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80
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Atomic Volume of Calcium means volume of its atoms. Atomic Volume
29.90 cm3/mol
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7
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It will let know the previous and next atomic number of Calcium. Adjacent Atomic Numbers
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Previous atomic number metal. For eg. If the atomic number of Gold is 79 then the previous atomic number belongs to Platinum which is 78. Previous Element
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Next atomic number metal. For eg. if the atomic number of Gold is 79 then the next atomic number belongs to Mercury which is 80. Next Element
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The valence electron is an electron that is associated with an atom, and that can participate in the formation of a chemical bond. Valence Electron Potential
29.00 (-eV)
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53
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The lattice constant, or lattice parameter, refers to the physical dimension of unit cells in a crystal lattice. Lattice Constant
558.84 pm
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9
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The lengths of the edges of a unit cell and the angles between them are called the Lattice angle. Lattice Angles
π/2, π/2, π/2
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It’s a ratio of Lattice constant by Lattice angle. Lattice C/A Ratio
Not Available
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List of different mechanical properties of Calcium metal. These properties test the mechanical strength of this metal. Mechanical Properties of Calcium </>
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The density of Calcium metal is a relationship between the mass of the Calcium atom and how much space it takes up (volume). Density of Calcium
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Calcium density at room temperature. Density At Room Temperature
1.55 g/cm3
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80
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Calcium density When at liquid state (at m.p.). Density When Liquid (at m.p.)
1.38 g/cm3
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57
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Tensile strength is a measurement of the force required to pull something such as rope, wire, or a structural beam to the point where it breaks. Tensile Strength
Not Available
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The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. Viscosity
Not Available
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Vapor pressure or equilibrium vapor pressure is defined as the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature in a closed system. Vapor Pressure of Calcium
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Vapor Pressure of Calcium at temperature 1000 K. Vapor Pressure at 1000 K
25.50 (Pa)
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3
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How much it will compress under a given amount of external pressure, that can be found with the help of its elasticity modulus. Elasticity properties
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Shear Modulus of Calcium is a measure of its elastic properties. Shear Modulus
7.40 GPa
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45
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Bulk Modulus of Calcium is a measure of its elastic properties. Bulk Modulus
17.00 GPa
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43
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Young’s Modulus of Calcium is a measure of its elastic properties. Young’s Modulus
20.00 GPa
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46
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Poisson’s ratio, named after Siméon Poisson, is the negative ratio of transverse to axial strain. Poisson Ratio
0.31
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13
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Whether Calcium exhibits properties like ductility , malleability, weldability, sectility, etc. Other Mechanical Properties
NA
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List of different magnetic properties and characteristics of Calcium. Magnetic Properties of Calcium </>
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Different Magnetic significance of Calcium. Magnetic Characteristics of Calcium
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Specific gravity is the ratio of the density of a substance to the density of a reference substance. Specific Gravity
4.58
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57
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Magnetic Ordering of Calcium defines its magnetic orientation (nature) and magnetic type. Magnetic Ordering
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Diamagnetic metals produce a magnetic field opposite to the applied magnetic field. Thus, they are repelled by magnets and show magnetic nature.Diamagnetic
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List of different electrical properties and significance of Calcium. Electrical Properties
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Electrical property or nature of Calcium defines its electrical orientation and electrical type. Electrical Property
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Conductor metals have very low resistance to electric currents. They can easily conduct electric current through them.Conductor
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Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is an intrinsic property that quantifies how strongly a given material opposes the flow of electric current. Resistivity
33.60 nΩ·m
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48
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Electrical conductivity is the measure of a material’s ability to accommodate the transport of an electric charge. Electrical Conductivity
0.30 106/cm Ω
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6
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Electron affinity is defined as the change in energy (in kJ/mole) of a neutral atom (in the gaseous phase) when an electron is added to the atom to form a negative ion. Electron Affinity
2.37 kJ/mol
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39
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Thermal characteristic and the concepts thermodynamics of Calcium. Thermal Properties of Calcium </>
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The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius. Specific Heat
0.63 J/(kg K)
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7
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The molar heat capacity is the heat capacity per unit amount (SI unit: mole) of a pure substance. Molar Heat Capacity
25.93 J/mol·K
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34
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Thermal conductivity (often denoted k, λ, or κ) is the property of a material to conduct heat. Thermal Conductivity
201.00 W/m·K
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5
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The critical temperature of a substance is the temperature at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied. Critical Temperature
Not Available
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Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature, through heat transfer. Thermal Expansion
22.30 µm/(m·K)
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19
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Enthalpy is the sum of the internal energy and the product of pressure and volume given by the equation. Enthalpy of Calcium
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The enthalpy of vaporization, also known as the heat of vaporization, is the enthalpy change required to transform a given quantity of a substance from a liquid into a gas at a given pressure. Enthalpy of Vaporization
150.00 kJ/mol
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47
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The enthalpy of fusion also known as (latent) heat of fusion is the change in enthalpy resulting from heating a given quantity of a substance to change its state from a solid to a liquid. The temperature at which this occurs is the melting point. Enthalpy of Fusion
8.54 kJ/mol
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41
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The enthalpy of atomization (also atomisation in British spelling) is the enthalpy change that accompanies the total separation of all atoms in a chemical substance (either a chemical element or a chemical compound). Enthalpy of Atomization
184.00 kJ/mol
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46
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The standard molar entropy is the entropy content of one mole of substance, under standard conditions (not standard temperature and pressure). Standard Molar Entropy
41.60 J/mol.K
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36
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Calcium Metal

Metals have been an inseparable component of major civilizations since centuries. Although metals were utilized since time unknown, researchers put considerable efforts in giving them appropriate names and defining their different properties and characteristics. This nomenclature process helped in arranging these metals in a well-organized fashion, known as the periodic table. In this periodic table, Calcium metal is also represented by the symbol Ca. This atomic symbol of Calcium is useful in indicating the position of metal Ca in the periodic table. If you are curious-headed or a science-geek, the common questions about metals are What is Calcium? What are its physical, chemical, mechanical, electrical and thermal properties? Find all the relevant facts about Ca metals in the following sections.

Periodic Table of Calcium

Periodic table of Calcium comments over its position in the periodic table, on the basis of parameters like group number, period row, atomic number and orbital block. The metals which have electrons falling in the same sub-shell are grouped under the same block corresponding to its respective orbital. Calcium metal belongs to Alkaline Earth Metals category of the periodic table. Metals down a group have same valency while metals across a period have the same number of shells. Its group number (column number) is 2, whereas its period number is 4. It is placed under s block of the periodic table & is one of the prominent s block elements.

Calcium Metal Properties

Metals have certain properties by which they can be distinguished from one another. Magnetic and Atomic Structure of Calcium are few widely searched properties. Using the comparison facility, you can not only view the individual metal properties, but also compare the properties of multiple metals to get a thorough comparative analysis between the metals of your choice. Atomic number is a basic building block for the arrangement of metals in the periodic table. Atomic number of Calcium is 20 and its atomic weight is 40.08 amu. The electrons in its atom are arranged in orbitals as [Ar] 4s2. Nuclear particles in Calcium atom are 20 neutrons, 20 protons and 20 electrons.

Physical and Chemical Characteristics of Calcium

Physical and chemical characteristics of Calcium are two major criteria while comparing this metal with other metals. Physical Properties of Calcium include its external appearance, shininess at surface, color, etc. Properties like density, viscosity, melting and boiling point are also covered in this section. At room temperature, this metal is a Gray Solid. It starts melting at 839.00 °C. All these Calcium metal properties together define what is Calcium?

Modern Periodic Table

Modern Periodic Table
Group →

Period ↓

1

2

3

4

5

6

7

1

H

2

3

La-Lu
Ac-Lr

4

5

6

7

8

9

10

11

12

13

B

14

C
Si
Ge

15

N
P
As
Sb

16

O
S
Se
Te

17

F
Cl
Br
I
At

18

He
Ne
Ar
Kr
Xe
Rn
Og