Chemistry
Calculate the atomicity of a gas X [at. no. 35.5] whose vapour density is equal to it's relative atomic mass.
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Answer
Given,
Vapour density = relative atomic mass = 35.5
Molecular weight = 2 x Vapour Density = 2 x 35.5 = 71 g
Atomicity is the number of atoms present in one molecule of that element.
Number of atoms
Hence, atomicity of a gas X is 2
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