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No. of atom present in a molecule is known as atomicity for example 02 molecule have 2 atomicity and H2O molecule have 3 atomicity
2 4 2
The no of atoms present in one molecule of an element is called atomicity of an element. Atomicity=molecular mass/atomic mass Eg: nitrc oxide has 2atoms of nitrogen and 2 atoms of oxygen
1 2 1
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