Tantalum is the seventy-three element in the periodic table. A periodic table contains 118 elements distributed in 7 rows and 18 columns. The rows are known as periods and the columns are the groups of the periodic table. The elements of the periodic table are arranged according to their atomic number.

## Basic elemental properties of Tantalum

There are 118 different elements in the periodic table but there are some basic elemental properties of each. In a periodic table, elements with basic elemental properties are grouped together. Basic elemental properties of Tantalum are:

### Atomic Symbol of Tantalum

Every element in the periodic table has its atomic symbol or chemical symbol for representation. The atomic symbol of Tantalum is “Ta”

### Atomic Number of Tantalum

Elements in the periodic table are arranged in groups and periods on the basis of their atomic number.

Atomic number is the number of protons present in the nucleus of an atom. The atomic number of Tantalum is 73. This shows Tantalum is the seventy-three element of the periodic table.

### Short Electronic Configuration of Tantalum

Short Electronic Configuration of Tantalum is [Xe]6s2 4 f14 5d 3

### Block of Tantalum in Periodic Table

There are four blocks (s, p, d, f) in the periodic table. Tantalum belongs to the d-block of the periodic table. D block is the third block in the periodic table.

### Group of Tantalum in Periodic Table

Groups are the columns of the periodic table and Tantalum belongs to the fifth group.

### Period of Tantalum in Periodic Table

Periodic table is arranged in periods and groups. The rows going across left to right are periods and Tantalum is placed in the sixth period. Elements that are present in a period share common properties .

### Atomic Mass of Tantalum

Atomic mass is the mass of an atom and the atomic mass of Tantalum is 180.94788 u. If we round off the atomic mass of Tantalum, we get 181 u.

## Thermodynamic properties of Tantalum

Thermodynamic properties are the characteristic features of a system, capable of specifying the system's state. The thermodynamic properties of an element include chemical, physical and thermal properties. The thermodynamic properties of Tantalum are:

### Phase at STP

Phase at STP is the state in which an element is present. The stp phase of Tantalum is “Solid”.

### Melting Point of Tantalum

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Tantalum gas is 3017 °C.

### Boiling Point of Tantalum

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Tantalum gas is 5458 °C.

### Molar Heat of Fusion of Tantalum

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Tantalum is 36 kJ/mol.

### Molar heat of Vaporization

The Molar heat of vaporization is the heat absorbed by the one specific mole of a substance. The molar heat of vaporization of Tantalum gas is 735 kJ/mol.

### Specific heat at STP

The specific heat of Tantalum at STP is 140 J(kgK).

These are some of the main thermodynamic properties of Tantalum. Let’s find out all the material properties of Tantalum.

## Material properties

We have discussed basic elemental properties and thermodynamic properties of Tantalum gas. Besides these, there are many material properties of Tantalum as well. Some of the material properties include density, molar volume, refractive index and thermal conductivity.

### Density of Tantalum

The density of Tantalum element is  16.65 g/cm3

### Liquid Density of Tantalum element

The liquid density of Tantalum atom is 15 g/cm3

### Molar Volume of Tantalum

The molar volume of Tantalum is 10.868cm3/mol

### Mohs hardness of Tantalum Atom

The mohs hardness of Tantalum element is 6.5

### Bulk modulus of Tantalum Gas

The bulk modulus of Tantalum Gas is 200 GPa

### Shear modulus of Tantalum atom

The shear modulus of Tantalum element 69 GPa

### Young's modulus of Tantalum

The young's modulus of Tantalum atom 186 GPa

### Sound speed of Tantalum atom

The sound speed of Tantalum gas is 3400 m/s

### Thermal expansion of Tantalum

The thermal expansion of Tantalum is 6.3 x 10-6 K-1

### Thermal Conductivity of Tantalum

The thermal conductivity of Tantalum is 57 W/(mK)

These are the main material properties of Tantalum.

## Electromagnetic properties of Tantalum

When there is any emission or absorption of electromagnetic radiations, a martial responds to these changes. All elements of a periodic table have electromagnetic properties. Some of the main electromagnetic properties of Tantalum gas include magnetic types, magnetic volume, mass magnetic susceptibility and color.

### Electric type of Tantalum

The magnetic type Tantalum refers to the fact that it is a conductor.

### Resistivity of Tantalum element

The resistivity of Tantalum element is 1.3 x 10-7 Ωm

### Electrical conductivity of Tantalum gas

The electrical conductivity of Tantalum element is 7.7 x 106 s/m

### Magnetic type of Tantalum element

The magnetic type of Tantalum atom is paramagnetic

### Volume Magnetic Susceptibility of Tantalum

The volume magnetic susceptibility of Tantalum is 1.782 x 10 -4

### Mass Magnetic Susceptibility of Tantalum

The mass magnetic susceptibility of Tantalum is 1.07 x 10-8 m3/kg

### Molar Magnetic Susceptibility of Tantalum

The molar magnetic susceptibility of Tantalum gas is 1.936 x 10-9 m3/mol

### Color of Tantalum Gas

The color of Tantalum gas is gray.

These are some of the main electromagnetic properties of Tantalum gas.

## Reactivity of Tantalum

### Valency of Tantalum

The valency of a Tantalum element is a number that represents the ability of an atom to combine with other atoms. The valency of Tantalum is 5.

### Electronegativity of Tantalum

Electronegativity of Tantalum is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Tantalum has 1.5 electronegativity.

### Electron affinity of Tantalum

Electron affinity of Tantalum gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Tantalum is 31kJ/mol

### First ionization energy of Tantalum

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Tantalum is 761 kJ/mol

## Atomic properties

Term Symbol of Tantalum

The term symbol specifies the electronic state of an atom. The term symbol of Tantalum atom is 4 F3/2

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Tantalum is 145 pm.

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Tantalum is 170 pm.

## Abundances of Tantalum

It is the measure that tells us about the percentage of which it is present.

### Abundance of Tantalum in the universe

The abundance of Tantalum in the universe is 8 x 10-9 mass %

### Abundance of Tantalum in earth's crust

The abundance of Tantalum in earth's crust is 1.7 x 10-6 mass %

### Abundance of Tantalum in ocean

The abundance of Tantalum in ocean is 2 x 10-10 mass %

### Universe Molar Abundances of Tantalum

The universe molar abundances of Tantalum is 6 x 10-11 mol %

### Ocean Molar Abundances of Tantalum

The ocean molar abundances of Tantalum is 6.8 x10-12 mol %

### Crust Molar Abundances of Tantalum

The crust molar abundances of Tantalum is 1.9 x 10-5 mol %

## Nuclear properties of Tantalum

### Half life of Tantalum

Half life is the time for the radioactivity of a specified isotope to fall to half its original value. The half Life of Tantalum is stable.

### Stable isotopes of Tantalum

The stable isotopes of Tantalum are 181 Ta (99.988%)

### Nuclear Spin of Tantalum

The nuclear spin of Tantalum is 181 Ta: 7/2+

### Unstable isotopes of Tantalum

The unstable isotopes of Tantalum is 179 Ta (1.82 yr)

### Neutron Cross Section of Tantalum

The neutron cross section of Tantalum is 20.5 b

## Identifiers of Tantalum

### CAS Number of Tantalum

The CAS number of Tantalum is 7440-25-7

### PubChem CID number of Tantalum

The PubChem CID number of Tantalum is 23956

## Online Calculators

There are free online calculators on this website which you can use for accurate calculations. These tools are:

## Other Periodic table elements

 Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminum Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Cesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson