Calcium is the twentieth 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 Calcium

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 Calcium are:

### Atomic Symbol of Calcium

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

### Atomic Number of Calcium

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 Calcium is 20. This shows Calcium is the twentieth element of the periodic table.

### Short Electronic Configuration of Calcium

Short Electronic Configuration of Calcium is [Ar]4s2

### Block of Calcium in Periodic Table

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

### Group of Calcium in Periodic Table

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

### Period of Calcium in Periodic Table

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

### Atomic Mass of Calcium

Atomic mass is the mass of an atom and the atomic mass of Calcium is 40.078 u. If we round off the atomic mass of Calcium, we get 40 u.

## Thermodynamic properties of Calcium

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 Calcium are:

### Phase at STP

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

### Melting Point of Calcium

Melting point is a temperature at which an element of substance changes its state from solid to liquid. The melting point of Calcium gas is 842 °C.

### Boiling Point of Calcium

A boiling point is a temperature at which an element of a substance starts turning into vapors. The boiling point of Calcium gas is 1484 °C.

### Molar Heat of Fusion of Calcium

Molar Heat of Fusion is the energy required to melt each mole of substance. The molar heat of fusion of Calcium is 8.54 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 Calcium gas is 155 kJ/mol.

### Specific heat at STP

The specific heat of Calcium at STP is 631 J(kgK).

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

## Material properties

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

### Density of Calcium

The density of Calcium element is  1.55 g/cm3

### Liquid Density of Calcium element

The liquid density of Calcium atom is 1.378 g/cm3

### Molar Volume of Calcium

The molar volume of Calcium is 25.863/mol

### Mohs hardness of Calcium Atom

The mohs hardness of Calcium element is 1.75

### Bulk modulus of Calcium Gas

The bulk modulus of Calcium Gas is 17 GPa

### Shear modulus of Calcium atom

The shear modulus of Calcium element 7.4 GPa

### Young's modulus of Calcium

The young's modulus of Calcium atom 20 GPa

### Sound speed of Calcium atom

The sound speed of Calcium gas is 3810 m/s

### Thermal expansion of Calcium

The thermal expansion of Calcium is 2.23 x 10-5 K-1

### Thermal Conductivity of Calcium

The thermal conductivity of Calcium is 200 W/(mK)

These are the main material properties of Calcium.

## Electromagnetic properties of Calcium

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

### Electric type of Calcium

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

### Resistivity of Calcium element

The resistivity of Calcium element is 3.4 x 10-8 Ωm

### Electrical conductivity of Calcium gas

The electrical conductivity of Calcium element is 2.9 x 107 s/m

### Magnetic type of Calcium element

The magnetic type of Calcium atom is paramagnetic

### Volume Magnetic Susceptibility of Calcium

The volume magnetic susceptibility of Calcium is 2.139 x 10 -5

### Mass Magnetic Susceptibility of Calcium

The mass magnetic susceptibility of Calcium is 1.38 x 10-8 m3/kg

### Molar Magnetic Susceptibility of Calcium

The molar magnetic susceptibility of Calcium gas is 5.531 x 10-10 m3/mol

### Color of Calcium Gas

The color of Calcium gas is silver.

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

## Reactivity of Calcium

### Valency of Calcium

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

### Electronegativity of Calcium

Electronegativity of Calcium is the tendency of its atom participating in a covalent bond to attract the bonding electrons. Calcium has 1 electronegativity.

### Electron affinity of Calcium

Electron affinity of Calcium gas is the energy released when one electron is added to a neutral atom to form an anion. The electron affinity of Calcium is 2.37 kJ/mol

### First ionization energy of Calcium

It is the energy to remove the outermost electron from the neutral atom in the gas phase. The first ionization energy of Calcium is 589.8 kJ/mol

## Atomic properties

Term Symbol of Calcium

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

The total distance from an atom's nucleus to the outermost orbital of an electron is its atomic radius. The atomic radius of Calcium is 180 pm.

Covalent radius is the measurement of an atom's size that forms a covalent bond. The covalent radius of Calcium is 176 pm.

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## Abundances of Calcium

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

### Abundance of Calcium in the universe

The abundance of Calcium in the universe is 0.007 mass %

### Abundance of Calcium in the solar system

The abundance of Calcium in the solar system is 0.007 mass %

### Abundance of Calcium in earth's crust

The abundance of Calcium in earth's crust is 5 mass %

### Abundance of Calcium in ocean

The abundance of Calcium in ocean is 4.2 x 10-4 mass %

### Universe Molar Abundances of Calcium

The universe molar abundances of Calcium is 2 x 10-4 mol %

### Solar Molar Abundances of Calcium

The solar molar abundances of Calcium is 2 x 10 -4 mol %

### Ocean Molar Abundances of Calcium

The ocean molar abundances of Calcium is 6.5 x 10-5 mol %

### Crust Molar Abundances of Calcium

The crust molar abundances of Calcium is 2.6 mol %

### Human Molar Abundances of Calcium

The crust molar abundances of Calcium is 0.22 mol %

## Nuclear properties of Calcium

### Half life of Calcium

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

### Stable isotopes of Calcium

The stable isotopes of Calcium are 40 Ca (96.94%)

### Nuclear Spin of Calcium

The nuclear spin of Calcium is 40 Ca: 0+

### Unstable isotopes of Calcium

The unstable isotopes of Calcium is 48Ca (1.9 x 10 19 yr)

### Neutron Cross Section of Calcium

The neutron cross section of Calcium is 0.43 b

## Identifiers of Calcium

### CAS Number of Calcium

The CAS number of Calcium is 7440-70-2

### PubChem CID number of Calcium

The PubChem CID number of Calcium is 5460341

## 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