Phosphorus Atomicity Explained
Atomicity is defined as the number of atoms that constitute one molecule of an element.
Understanding Phosphorus's Common Form
Phosphorus exhibits different allotropes. The most commonly encountered and stable allotrope is white phosphorus.
White phosphorus exists as molecules with the empirical formula $P_4$.
Determining the Atomicity
The molecular formula $P_4$ clearly shows that each molecule contains four atoms of phosphorus.
Consequently, the atomicity of phosphorus in its common allotropic form is tetra-atomic.
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