Atomic Structure of Aluminium

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Atomic Properties of Aluminium

Atomic Number

Electron Configuration
[Ne] 3s2 3p1

Crystal Structure
Face Centered Cubic (FCC)

Crystal Lattice

Atom of Aluminium

Number of Protons

Number of Neutrons

Number of Electrons

Radius of an Atom

Atomic Radius
143.00 pm

Covalent Radius
121.00 pm

Van der Waals Radius
184.00 pm

Atomic Weight
26.98 amu

Atomic Volume
10.00 cm3/mol

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential
80.70 (-eV)

Lattice Constant
404.95 pm

Lattice Angles
π/2, π/2, π/2

Lattice C/A Ratio
Not Available

Aluminium Atomic Structure

Aluminium atomic structure provides properties of its atom. Atomic structure of Aluminium includes atomic number, atomic weight, electron configuration, atomic radius, etc. The atom or the nucleus of this metal consists of 13 protons, 14 neutrons and 13 electrons. Apart from the atomic structure of Aluminium, you can find amazing information and interesting Facts About Aluminium. 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 404.95 pm.

Aluminium Atomic Number

The atomic number of Aluminium is 13. Aluminium 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 Aluminium 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 Aluminium is 26.98 amu whereas its volume is 10.00 cm3/mol. Atomic radius of Aluminium is 143.00 pm and its covalent radius is 121.00 pm.

Aluminium Electron Configuration

Aluminium electron configuration explains the electron distribution in different orbits of the atom. The electron configuration plays a significant role in determining the position of Aluminium In Periodic Table. The electron configuration of Aluminium is [Ne] 3s2 3p1. The value of valence electron potential of this element is 80.70 (-eV). It is calculated using (-eV)= kn/r equation.

Crystal Structure of Aluminium

Crystal structure of Aluminium plays an important role in determining the other Physical Properties of Aluminium. Its crystal structure shows the unique arrangement of atoms inside a crystal which helps in deconding the atomic structure of Aluminium metal. Aluminium crystal structure is Face Centered Cubic (FCC). FCC 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 Aluminium are related to its atomic structure.