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What is Rhodium?

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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. Rhodium In Periodic Table </>
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It’s an atomic symbol of Rhodium which helps identifying it in periodic table. Symbol
Rh
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Group number of Metals is vertical column number in periodic table. Group Number
9
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9
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Period number is a horizontal row number of Metals in periodic table. Period Number
5
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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 d-block is on the middle of the periodic table and includes elements from columns 3 through 12. These elements are also known as the transition metals because they show a transitivity in their properties i.e. they show a trend in their properties.d 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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What is Transition Metal? All transition metals are placed under the d-block from group number 3 to 12. Transition metals show characteristics like malleability, ductility and are good conductor of electricity.Transition Metal
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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
7440166
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63
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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 Rhodium, then you are at the right place. Facts about Rhodium </>
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Bunch of Interesting facts about Rhodium. Interesting Facts
  • Rhodium is the rarest element out of all non-radioactive metals on the earth .
  • Rhodium is one of the most durable and hard metal, which also have high reflectance.
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List of different sources of Rhodium. Sources
  • Earth's crust
  • Found As a By-product
  • Found in Minerals
  • Mining
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Lets check out the facts about history of Rhodium. History of Rhodium
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You might be wondering who discovered Rhodium metal? Who Discovered Rhodium
William Hyde Wollaston
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Rhodium 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 1804
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Abundance percentage of Rhodium metal at various places. This will give you an idea about its Abundance levels. Abundance of Rhodium
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Abundance percentage of Rhodium in Universe. Abundance In Universe
0.00 %
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26
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Abundance percentage of Rhodium in Sun. Abundance In Sun
0.00 %
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26
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Abundance percentage of Rhodium in Meteorites. Abundance In Meteorites
0.00 %
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36
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Abundance percentage of Rhodium in Earth’s Crust. Abundance In Earth’s Crust
0.00 %
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55
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Different types of Rhodium Uses and benefits are listed down below. Uses of Rhodium </>
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Uses & Benefits Uses & Benefits
  • Rhodium metal is mainly used in catalytic converters for cars as it reduces nitrogen oxides in exhaust gases.
  • It is used as an industrial catalyst for nitric acid, acetic acid, hydrogenation reaction, etc.
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List of industrial uses of Rhodium. Industrial Uses
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    Not surprisingly, about 75% of superalloys are used in the aerospace industry for turbine blades, heat exchangers, and chemical reaction vessels.Aerospace Industry
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    Automobile industry requires a very wide variety of raw materials for their production. This metal is used in this industry for making different parts of Automobile.Automobile Industry
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    As the metals are good conductor of heat and electricity. This metal is used in electrical industry where usually it is used in manufacturing different components, gadgets or wires, etc.Electrical Industry
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    Metals good are conductor of heat and electricity. Metals are used in electronic industry where usually it is used in manufacturing different components, gadgets or wires, etc.Electronic Industry
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List of medical uses of Rhodium. Medical Uses
NA
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List of lesser known uses of Rhodium 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 Rhodium. Biological Properties
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Toxicity level of Rhodium metal. Toxicity
NA
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Whether Rhodium metal is present in the Human Body? Present in Human Body
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Physical properties or characteristics of Rhodium. These properties are mostly related to its appearance and surface. Physical Properties of Rhodium </>
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The temperature at which Metals metal starts melting. Melting Point
1,966.00 °C
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12
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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
3,727.00 °C
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17
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Physical appearance or look and feel of Rhodium is described here. Appearance of Rhodium
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Physical state or phase of Rhodium 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 Rhodium metal in nature? Color
Silvery White
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Metals generally exhibit a metallic luster! Lets check out the look and feel of Rhodium metal. Luster
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Metals are hard/soft and have different type of luster. Here we present you a list metals and these metals exhibit metallic luster.Metallic
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Hardness of Rhodium which measures how resistant this metals is to various kinds of permanent shape change when a compressive force is applied. Hardness of Rhodium
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Mohs Hardness of Rhodium is a scale for measuring its hardness. Mohs Hardness
6.00
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6
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Brinell Hardness of Rhodium is a scale for measuring their hardness. Brinell Hardness
980.00 MPa
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9
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Vickers Hardness of Rhodium is a scale for measuring their hardness. Vickers Hardness
1,100.00 MPa
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9
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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
4,700.00 m/s
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15
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Optical properties related to refractive index & the reflectivity parameters of Rhodium. Optical Properties
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Reflectance of the surface of a material is its effectiveness in reflecting radiant energy. Here you will get to know how much is the reflectivity percentage of this metal. Reflectivity
84.00 %
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4
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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 Rhodium are listed here. Chemical Properties of Rhodium </>
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Chemical formula or atomic symbol of Rhodium. This symbol is very useful while mentioning chemical reactions and equations of this metals. Chemical Formula
Rh
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Isotopes of Rhodium are its variants, which differ in neutron number present in the nucleus. Isotopes of Rhodium
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The total number of known Isotopes of this metal. Known Isotopes
16
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23
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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
2.28
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3
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Allred Rochow Electronegativity is very famous scale to measure Electronegativity. Allred Rochow Electronegativity
1.45
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16
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Allen Electronegativity is very famous scale to measure Electronegativity. Allen Electronegativity
1.56
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24
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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 Rhodium. Pauling Electropositivity
1.72
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50
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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 Rhodium. 1st Energy Level
719.70 kJ/mol
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29
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2nd energy level of Rhodium. 2nd Energy Level
1,740.00 kJ/mol
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26
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3rd energy level of Rhodium. 3rd Energy Level
2,997.00 kJ/mol
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27
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The electrochemical equivalent of a Rhodium 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
1.28 g/amp-hr
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50
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Electron work function of Rhodium 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
4.98 eV
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6
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List of all chemical properties/characteristics/behavior of Rhodium. Other Chemical Properties
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Anti-corrosion metals have the protection on their surfaces which protect them from corroding in corrosive environments.Anti Corrosion, 
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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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Radioactive metals emit particles and radiation from their nuclei. This process comes in the picture because their nuclei experience the intense conflict between two strong forces. This metal also have radioactive isotopes.Radioactive Isotopes
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Detailed information about the atomic structure of Rhodium. Atomic Properties of Rhodium </>
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Atomic number of Metals is the number of protons present in the atom of Metals metal. Atomic Number
45
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67
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The electron configuration of Rhodium is the distribution of its electrons in atom or molecule in atomic or molecular orbitals. Electron Configuration
[Kr] 4d8 5s1
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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 Rhodium. 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 Rhodium Metal. Atom of Rhodium
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Number of protons present in the nucleus of Rhodium. Number of Protons
45
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66
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Number of neutrons present in the nucleus of Rhodium. Number of Neutrons
58
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50
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Number of Electrons present inside the atom of Rhodium. Number of Electrons
45
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66
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Radius of an Atom of Rhodium. Different radius measures are listed below. Radius of an Atom
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The atomic radius of Rhodium can be defined as a measure of the size of its atoms. Atomic Radius
134.00 pm
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43
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The covalent radius of Rhodium can be defined as a measure of the size of its atoms. Covalent Radius
142.00 pm
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42
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The Van der Waals Radius of Rhodium can be defined as a measure of the size of its atoms. Van der Waals Radius
200.00 pm
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28
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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
102.91 amu
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61
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Atomic Volume of Rhodium means volume of its atoms. Atomic Volume
8.30 cm3/mol
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59
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It will let know the previous and next atomic number of Rhodium. 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
64.00 (-eV)
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22
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The lattice constant, or lattice parameter, refers to the physical dimension of unit cells in a crystal lattice. Lattice Constant
380.34 pm
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27
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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 Rhodium metal. These properties test the mechanical strength of this metal. Mechanical Properties of Rhodium </>
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The density of Rhodium metal is a relationship between the mass of the Rhodium atom and how much space it takes up (volume). Density of Rhodium
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Rhodium density at room temperature. Density At Room Temperature
12.41 g/cm3
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28
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Rhodium density When at liquid state (at m.p.). Density When Liquid (at m.p.)
10.70 g/cm3
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14
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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
951.00 MPa
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5
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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 Rhodium
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Vapor Pressure of Rhodium at temperature 2000 K. Vapor Pressure at 2000 K
0.02 (Pa)
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19
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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 Rhodium is a measure of its elastic properties. Shear Modulus
150.00 GPa
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6
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Bulk Modulus of Rhodium is a measure of its elastic properties. Bulk Modulus
275.00 GPa
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5
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Young’s Modulus of Rhodium is a measure of its elastic properties. Young’s Modulus
380.00 GPa
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5
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Poisson’s ratio, named after Siméon Poisson, is the negative ratio of transverse to axial strain. Poisson Ratio
0.26
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22
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Whether Rhodium exhibits properties like ductility , malleability, weldability, sectility, etc. Other Mechanical Properties
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Malleability of metals defines their ability to deform under compressive stress; this is often characterized by the metals ability to form a thin sheet by hammering or rolling.Malleable
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List of different magnetic properties and characteristics of Rhodium. Magnetic Properties of Rhodium </>
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Different Magnetic significance of Rhodium. Magnetic Characteristics of Rhodium
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Specific gravity is the ratio of the density of a substance to the density of a reference substance. Specific Gravity
12.41
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20
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Magnetic Ordering of Rhodium defines its magnetic orientation (nature) and magnetic type. Magnetic Ordering
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Paramagnetic metals are slightly attracted by magnet, but they can’t retain the magnetic effect once they are removed from the magnetic field.Paramagnetic
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List of different electrical properties and significance of Rhodium. Electrical Properties
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Electrical property or nature of Rhodium 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
43.30 nΩ·m
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46
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Electrical conductivity is the measure of a material’s ability to accommodate the transport of an electric charge. Electrical Conductivity
0.21 106/cm Ω
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8
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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
109.70 kJ/mol
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7
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Thermal characteristic and the concepts thermodynamics of Rhodium. Thermal Properties of Rhodium </>
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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
0.24 J/(kg K)
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22
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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
24.98 J/mol·K
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45
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Thermal conductivity (often denoted k, λ, or κ) is the property of a material to conduct heat. Thermal Conductivity
150.00 W/m·K
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9
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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
8.20 µm/(m·K)
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47
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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 Rhodium
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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
495.40 kJ/mol
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12
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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
21.76 kJ/mol
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10
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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
556.50 kJ/mol
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12
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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
31.50 J/mol.K
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49
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Rhodium 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, Rhodium metal is also represented by the symbol Rh. This atomic symbol of Rhodium is useful in indicating the position of metal Rh in the periodic table. If you are curious-headed or a science-geek, the common questions about metals are What is Rhodium? What are its physical, chemical, mechanical, electrical and thermal properties? Find all the relevant facts about Rh metals in the following sections.

Periodic Table of Rhodium

Periodic table of Rhodium 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. Rhodium metal belongs to Transition 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 9, whereas its period number is 5. It is placed under d block of the periodic table & is one of the prominent d block elements.

Rhodium Metal Properties

Metals have certain properties by which they can be distinguished from one another. Magnetic and Atomic Structure of Rhodium 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 Rhodium is 45 and its atomic weight is 102.91 amu. The electrons in its atom are arranged in orbitals as [Kr] 4d8 5s1. Nuclear particles in Rhodium atom are 58 neutrons, 45 protons and 45 electrons.

Physical and Chemical Characteristics of Rhodium

Physical and chemical characteristics of Rhodium are two major criteria while comparing this metal with other metals. Physical Properties of Rhodium 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 Silvery White Solid. It starts melting at 1,966.00 °C. All these Rhodium metal properties together define what is Rhodium?

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