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Atomic Structure of Sodium

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Atomic Properties of Sodium

Atomic Number

Electron Configuration
[Ne] 3s1

Crystal Structure
Body Centered Cubic (BCC)

Crystal Lattice

Atom of Sodium

Number of Protons

Number of Neutrons

Number of Electrons

Radius of an Atom

Atomic Radius
186.00 pm

Covalent Radius
166.00 pm

Van der Waals Radius
227.00 pm

Atomic Weight
22.99 amu

Atomic Volume
23.70 cm3/mol

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential
14.10 (-eV)

Lattice Constant
429.06 pm

Lattice Angles
π/2, π/2, π/2

Lattice C/A Ratio
Not Available

Sodium Atomic Structure

Sodium atomic structure provides properties of its atom. Atomic structure of Sodium includes atomic number, atomic weight, electron configuration, atomic radius, etc. The atom or the nucleus of this metal consists of 11 protons, 12 neutrons and 11 electrons. Apart from the atomic structure of Sodium, you can find amazing information and interesting Facts About Sodium. The lattice constant and lattice Angles, refers to the physical dimension of its unit cells. 3D lattices generally have three lattice constants which are commonly referred as a, b, and c and their respective values are π/2, π/2, π/2 and its constat's value is 429.06 pm.

Sodium Atomic Number

The atomic number of Sodium is 11. Sodium atomic number signifies the total number of protons or electrons present inside its atom. Under normal conditions, the number of electrons and protons are equal, making the net charge of an atom return to zero. Atomic structure of Sodium depends upon the total number of electrons, neutrons and protons present in its nucleus. Atomic number largely determines the atomic size, electronegativity, valency and other such factors. Atomic weight is the weight of the atom as whole, the weight corresponding to all the atomic particles. The atomic weight of Sodium is 22.99 amu whereas its volume is 23.70 cm3/mol. Atomic radius of Sodium is 186.00 pm and its covalent radius is 166.00 pm.

Sodium Electron Configuration

Sodium electron configuration explains the electron distribution in different orbits of the atom. The electron configuration plays a significant role in determining the position of Sodium In Periodic Table. The electron configuration of Sodium is [Ne] 3s1. The value of valence electron potential of this element is 14.10 (-eV). It is calculated using (-eV)= kn/r equation.

Crystal Structure of Sodium

Crystal structure of Sodium plays an important role in determining the other Physical Properties of Sodium. Its crystal structure shows the unique arrangement of atoms inside a crystal which helps in deconding the atomic structure of Sodium metal. Sodium crystal structure is Body Centered Cubic (BCC). BCC is a basis type of cubic crystal structure. In crystallography, the cubic crystals structure is a crystal system where the unit cell has a cube shaped structure. This is one of the simplest crystal structure found in crystals of metal. All these atomic properties of Sodium are related to its atomic structure.