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Question

(1) What do you mean by atomicity ?
(2) Find the atomicity of the following compounds:
H2SO4,CaCo3,NH3,Ca(OH)2

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Solution

(1) Atomicity : The total number of atoms that constitute a molecule.
(2) H2SO4 = (2+1-4) = 7
CaCO3 = (1+1+3) = 5
NH3 = (+3) = 4
Ca(OH)2 = (1+4) = 5

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