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Mass Number and Representation of Atom

a Fill in the...

Question

(a) Fill in the blanks
“__________refers to the number of atoms in the molecule of an element”.

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Solution

Atomicity refers to the number of atoms in the molecule of an element.
For example, $C a C l_{2}$ contains one atoms of calcium and two atoms of chlorine and hence its atomicity is $1 + 2 = 3$ i.e., triatomic.

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Mass Number and Representation of Atom

Standard IX Chemistry

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