Chemical formula of a compound is determined on the basis of __________ of its constituents.
A
number of neutrons
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B
valency
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C
atomic mass
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D
atomic size
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Solution
The correct option is B valency The number of atoms combining to form the molecule of a compound is determined by the valency of its constituent atoms or ions.
Valency is determined by the number of electrons an atom can accept, donate or share.