How do you calculate atomic volume?

Atomic volume is defined as the volume occupied by one mole of atoms of the element in solid-state.

\(\begin{array}{l}Atomic volume = frac{Gram atomic mass}{Density in solid state}\end{array} \)

Atomic volume increases on moving down the group. Across a period atomic volume first decreases and then starts increasing. Alkali metals have the highest atomic volume in their respective periods.

The equivalent or atomic weight expresses the relation of weight in which bodies combine with each other. The atomic volume, or, as it is also called, the equivalent, specific, or molecular volume, expresses the relation of volume in which substances combine.

Atomic volume, defined as the volume in cm3, occupied by one gram atomic weight of an element was shown by Lothar Meyer in 1869 to be a periodic function of the atomic weight.

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