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What is Protactinium?

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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. Protactinium In Periodic Table </> More »
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It’s an atomic symbol of Protactinium which helps identifying it in periodic table. Symbol
Pa
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Group number of Metals is vertical column number in periodic table. Group Number
Not Available
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Period number is a horizontal row number of Metals in periodic table. Period Number
7
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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 f-block is in the center-left of a 32-column periodic table but in the footnoted appendage of 18-column tables. These elements are not generally considered as part of any group. They are often called inner transition metals.f 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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Total 15 metals are included in actinide series, from Actinium to Lawrencium. Actinide series is located under f and d block of the periodic table.Actinide
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Want to know Interesting and lesser known facts about Protactinium, then you are at the right place. Facts about Protactinium </> More »
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Bunch of Interesting facts about Protactinium. Interesting Facts
  • Protactinium metal has 29 isotopes.
  • Isotopes of Protactinium-231 used in nuclear weapon.
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List of different sources of Protactinium. Sources
  • Found in Uranium Ores
  • Mining
  • Ores of metals
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Lets check out the facts about history of Protactinium. History of Protactinium
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You might be wondering who discovered Protactinium metal? Who Discovered Protactinium
William Crookes
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Protactinium 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 1900
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Different types of Protactinium Uses and benefits are listed down below. Uses of Protactinium </> More »
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Uses & Benefits Uses & Benefits
  • Currently known uses of Protactinium metal are limited to research purpose only.
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List of industrial uses of Protactinium. Industrial Uses
NA
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Biological properties of Protactinium. Biological Properties
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Toxicity level of Protactinium metal. Toxicity
Highly Toxic
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Physical properties or characteristics of Protactinium. These properties are mostly related to its appearance and surface. Physical Properties of Protactinium </> More »
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The temperature at which Metals metal starts melting. Melting Point
1,568.00 °C
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21
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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
4,027.00 °C
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12
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Physical appearance or look and feel of Protactinium is described here. Appearance of Protactinium
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Physical state or phase of Protactinium 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 Protactinium metal in nature? Color
Silver
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Metals generally exhibit a metallic luster! Lets check out the look and feel of Protactinium 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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The speed of sound is the distance traveled per unit time by a sound wave propagating through an elastic medium. Speed of Sound
Not Available
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Optical properties related to refractive index & the reflectivity parameters of Protactinium. Optical Properties
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Its an optical property, the refractive index or index of refraction of an optical medium is a dimensionless number that describes how light, or any other radiation, propagates through that medium. Refractive Index
Not Available
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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
Not Available
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Chemical properties or characteristics of Protactinium are listed here. Chemical Properties of Protactinium </> More »
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Chemical formula or atomic symbol of Protactinium. This symbol is very useful while mentioning chemical reactions and equations of this metals. Chemical Formula
Pa
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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
1.50
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27
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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 Protactinium. Pauling Electropositivity
2.50
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27
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Detailed information about the atomic structure of Protactinium. Atomic Properties of Protactinium </> More »
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Atomic number of Metals is the number of protons present in the atom of Metals metal. Atomic Number
91
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27
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The electron configuration of Protactinium is the distribution of its electrons in atom or molecule in atomic or molecular orbitals. Electron Configuration
[Rn] 5f2 6d1 7s2
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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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The tetragonal crystal structure occur as a result of stretching a cubic lattice along one of its lattice vectors due to which cube becomes a rectangular prism with a square shape at base.Tetragonal (TETR)
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Images of crystal lattice of Protactinium. It is a symmetrical three-dimensional arrangement of atoms inside a crystal. Crystal Lattice
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Radius of an Atom of Protactinium. Different radius measures are listed below. Radius of an Atom
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The atomic radius of Protactinium can be defined as a measure of the size of its atoms. Atomic Radius
163.00 pm
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25
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It will let know the previous and next atomic number of Protactinium. 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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List of different mechanical properties of Protactinium metal. These properties test the mechanical strength of this metal. Mechanical Properties of Protactinium </> More »
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The density of Protactinium metal is a relationship between the mass of the Protactinium atom and how much space it takes up (volume). Density of Protactinium
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Protactinium density at room temperature. Density At Room Temperature
15.37 g/cm3
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20
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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 Protactinium is a measure of its elastic properties. Shear Modulus
Not Available
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Bulk Modulus of Protactinium is a measure of its elastic properties. Bulk Modulus
Not Available
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Young’s Modulus of Protactinium is a measure of its elastic properties. Young’s Modulus
Not Available
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List of different magnetic properties and characteristics of Protactinium. Magnetic Properties of Protactinium </> More »
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Different Magnetic significance of Protactinium. Magnetic Characteristics of Protactinium
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Specific gravity is the ratio of the density of a substance to the density of a reference substance. Specific Gravity
15.37
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12
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Magnetic Ordering of Protactinium 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 Protactinium. Electrical Properties
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Electrical property or nature of Protactinium 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
177.00 nΩ·m
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21
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Thermal characteristic and the concepts thermodynamics of Protactinium. Thermal Properties of Protactinium </> More »
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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
0.12 J/(kg K)
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40
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Thermal conductivity (often denoted k, λ, or κ) is the property of a material to conduct heat. Thermal Conductivity
47.00 W/m·K
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32
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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 Protactinium
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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
Not Available
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Protactinium 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, Protactinium metal is also represented by the symbol Pa. This atomic symbol of Protactinium is useful in indicating the position of metal Pa in the periodic table. If you are curious-headed or a science-geek, the common questions about metals are What is Protactinium? What are its physical, chemical, mechanical, electrical and thermal properties? Find all the relevant facts about Pa metals in the following sections.

Periodic Table of Protactinium

Periodic table of Protactinium 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. Protactinium metal belongs to Actinide Series 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 Not Available, whereas its period number is 7. It is placed under f block of the periodic table & is one of the prominent f block elements.

Protactinium Metal Properties

Metals have certain properties by which they can be distinguished from one another. Magnetic and Atomic Structure of Protactinium 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 Protactinium is 91 and its atomic weight is 231.04 amu. The electrons in its atom are arranged in orbitals as [Rn] 5f2 6d1 7s2. Nuclear particles in Protactinium atom are 122 neutrons, 91 protons and 91 electrons.

Physical and Chemical Characteristics of Protactinium

Physical and chemical characteristics of Protactinium are two major criteria while comparing this metal with other metals. Physical Properties of Protactinium 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 Silver Solid. It starts melting at 1,568.00 °C. All these Protactinium metal properties together define what is Protactinium?

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