1.

the number of atoms present in 0.5 g atom of nitrogen is same as the atoms inA. 12g of CB. 32 g of SC. 8g of oxygenD. 24g of Mg

Answer» There is no CORRECT option out of A, B, C, D.

And I believe that you have committed a little mistake when noting down the Question.
If we replace NITROGEN with Hydrogen in the Question,

The Correct ANSWER Will be C. 8g of Oxygen

Because, MOLES of Hydrogen in 0.5 g of Hydrogen = 0.5 moles

and Moles of Oxygen in 8g of Oxygen = 8/16 = 0.5 moles


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