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 what is the atomicity of nitric acid

 Nitric acid has the chemical formula HNO3, so the mass number would be the sum of the atomic masses for hydrogen (1), nitrogen (14) and three lots of oxygen masses (3x16).So,

(1+14+48) = 63.

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the chemical formula for nitric acid is HNO3 so the atomicity of it would be penta - atomic because 5 atoms are present 1 H , 1 N and 3 O

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The chemical formula of nitric acid is HNO3 and it is made up of one hydrogen atom, one nitrogen atom, and three oxygen atoms. Its chemical structure indicates that it is a planar molecule and it has two resonance forms. Nitric acid is most commonly used in the production of fertilizer.



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it is polyatomic 
explanation: formula = HNO3
                     so there is 1 hydrogen, 1 nitrogen, and 3 oxygen atoms 
                     as a matter of fact 1+1+3 =5 
                     hence its atomicity is 5 / polyatomic
 
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