Astatine Element

Find elemental, thermodynamic, material, electromagnetic, atomic & nuclear properties of astatine element along with reactivity and abundance.

by Hamza Haroon - Published on February 21, 2023

Astatine is the eighty-five 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 Astatine

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 Astatine are:

Atomic Symbol of Astatine

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

Atomic Number of Astatine

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 Astatine is 85. This shows Astatine is the eighty-five element of the periodic table.

Short Electronic Configuration of Astatine

Short Electronic Configuration of Astatine is [Xe]6s2 ,4 f14 , 5d 10, 6 p5

Block of Astatine in Periodic Table

There are four blocks (s, p, d, f) in the periodic table. Astatine belongs to the p-block of the periodic table. P block is the second block in the periodic table.

Group of Astatine in Periodic Table

Groups are the columns of the periodic table and Astatine belongs to the seventeenth group.

Period of Astatine in Periodic Table

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

Atomic Mass of Astatine

Atomic mass is the mass of an atom and the atomic mass of Astatine is 210 u. If we round off the atomic mass of Astatine , we get 210 u.

Thermodynamic properties of Astatine

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 Astatine are:

Phase at STP

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

Melting Point of Astatine

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Astatine gas is 302 °C..

Molar Heat of Fusion of Astatine

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Astatine is 6 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 Astatine gas is 40 kJ/mol.

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

Material properties

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

Density of Astatine

The density of Astatine element is 6.4 g/cm3

Molar Volume of Astatine

The molar volume of Astatine is 32.8cm3/mol

Thermal Conductivity of Astatine

The thermal conductivity of Astatine is 2 W/(mK)

These are the main material properties of Astatine .

Electromagnetic properties of Astatine

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 Astatine gas include magnetic types, magnetic volume, mass magnetic susceptibility and color.

Color of Astatine Gas

The color of Astatine gas is silver.

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

Reactivity of Astatine

Valency of Astatine

The valency of a Astatine element is a number that represents the ability of an atom to combine with other atoms. The valency of Astatine is 7.

Electronegativity of Astatine

Electronegativity of Astatine is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Astatine has 2.2 electronegativity.

Electron affinity of Astatine

Electron affinity of Astatine gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Astatine is 270.1 kJ/mol

First ionization energy of Astatine

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Astatine is 920 kJ/mol

Atomic properties

The atomic properties of Astatine have term symbol, atomic radius, covalent radius, van der waals radius.

Term Symbol of Astatine

The term symbol specifies the electronic state of an atom. The term symbol of Astatine atom is 3 P3/2

Atomic Radius of Astatine

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Astatine is 127 pm.

Covalent Radius of Astatine

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Astatine is 150 pm.

Abundances of Astatine

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

Abundance of Astatine in the universe

The abundance of Astatine in the universe is 0 mass %

Abundance of Astatine in the solar system

The abundance of Astatine in the solar system is 0 mass %

Abundance of Astatine in earth's crust

The abundance of Astatine in earth's crust is 0 mass %

Abundance of Astatine in ocean

The abundance of Astatine in ocean is 0 mass %

Ocean Molar Abundances of Astatine

The ocean molar abundances of Astatine is 0 mol %

Crust Molar Abundances of Astatine

The crust molar abundances of Astatine is 0 mol %

Human Molar Abundances of Astatine