Question

Which of the following has largest number of atoms?

1 g Na

1 g K

1 g C

1 g Mg

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Answer 1

Answer:

Na

Explanation:

Molecular mass is less so 1 gram of element will have greater no of atoms.

23gm---NA

1gm-----NA/23

K--39gm

Ca--40gm

Mg--24gm