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Radium Element

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

Sarah Taylor-

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Radium is the eighty-eight 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 Radium

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 Radium are:

Atomic Symbol of Radium

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

Atomic Number of Radium

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 Radium is 88. This shows Radium is the eighty-eight element of the periodic table.

Short Electronic Configuration of Radium

Short Electronic Configuration of Radium is [Rn]7s2

Block of Radium in Periodic Table

There are four blocks (s, p, d, f) in the periodic table. Radium belongs to the s-block of the periodic table. S block is the first block in the periodic table.

Group of Radium in Periodic Table

Groups are the columns of the periodic table and Radium belongs to the second group.

Period of Radium in Periodic Table

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

Atomic Mass of Radium 

Atomic mass is the mass of an atom and the atomic mass of Radium is 226 u. If we round off the atomic mass of Radium, we get 226 u.

Thermodynamic properties of Radium

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 Radium are:

Phase at STP

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

Melting Point of Radium

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Radium gas is 700 °C.

Boiling Point of Radium

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Radium gas is 1737 °C.

Molar Heat of Fusion of Radium

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Radium is 8 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 Radium gas is 125 kJ/mol.

Specific heat at STP

The specific heat of Radium at STP is 92 J(kgK).

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

Material properties

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

Density of Radium

The density of Radium element is  5 g/cm3

Molar Volume of Radium

The molar volume of Radium is 45cm3/mol

Thermal Conductivity of Radium

The thermal conductivity of Radium is 19 W/(mK)

These are the main material properties of Radium.

Electromagnetic properties of Radium

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

Electric type of Radium

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

Resistivity of Radium element

The resistivity of Radium element is 1 x 10-6 Ωm

Electrical conductivity of Radium gas

The electrical conductivity of Radium element is 1 x 106 s/m

Color of Radium Gas

The color of Radium gas is silver.

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

Reactivity of Radium

Valency of Radium

The valency of a Radium element is a number that represents the ability of an atom to combine with other atoms. The valency of Radium is 2.

Electronegativity of Radium

Electronegativity of Radium is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Radium has 0.9 electronegativity.

First ionization energy of Radium

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Radium is 509.3 kJ/mol

Atomic properties

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

Term Symbol of Radium

The term symbol specifies the electronic state of an atom. The term symbol of Radium atom is 1 S0

Atomic Radius of Radium

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Radium is 215 pm.

Covalent Radius of Radium

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Radium is 221 pm.

Abundances of Radium

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

Abundance of Radium in earth's crust

The abundance of Radium in earth's crust is 9.9 x 10-12 mass %

Abundance of Radium in ocean

The abundance of Radium in ocean is 1 x 10-15 mass %

Human Abundances of Radium

The human abundances of Radium is 1 x 10 -13 mol %

Ocean Molar Abundances of Radium

The ocean molar abundances of Radium is 3 x 10-6 mol %

Crust Molar Abundances of Radium

The crust molar abundances of Radium is 9.9 x 10-13 mol %

Human Molar Abundances of Radium

The crust molar abundances of Radium is 3 x 10-6 mol %

Nuclear properties of Radium

Half life of Radium

Half life is the time for the radioactivity of a specified isotope to fall to half its original value. The half Life of Radium is 1600 yr.

Specific radioactivity of Radium

The specific radioactivity of Radium are 36.5 GBq/g

Decay Mode of Radium

The decay mode of Radium is alpha emission

Unstable isotopes of Radium

The unstable isotopes of Radium is 226 Ra (1600 yr)

Neutron Cross Section of Radium

The neutron cross section of Radium is 13 b

Identifiers of Radium

CAS Number of Radium

The CAS number of Radium is 7440-14-4

PubChem CID number of Radium

The PubChem CID number of Radium is 6328144

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