Question

Which of the following samples contains the largest number of atoms?
(A) I g of Ni(e) (B) 1 g of Ca(s) (C) 1 g of N (9)​

Answer 1

Answer: answer shud b 1 g of nitrogen

Explanation:  14g of N has 6.023 x 10^23 atoms

                            1g of N has 6.023 x 10^23 / 14 atoms

compared to 6.023 x 10^23 /40 ( that is for calcium )

1 g of nitrogen has more atoms

Answer 2

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(C) 1 g of N

Lesser the atomic mass, more is the number of atoms per gram. At mass of Ni, Ca and N are 58.7, 40 and 14 respectively.

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