Atoms and Nuclei

JEE Main 2021 · 16 Mar, Evening shift · Q6105

PhysicsMedium183×since 2002Q6105

The half-life of Au¹⁹⁸ is 2.7 days. The activity of 1.50 mg of Au¹⁹⁸ if its atomic weight is 198 g mol^

-

1 is, (N_a = 6

\times

10²³/mol).

JEE Main 2021 · 16 Mar, Evening shift · Q6105

PhysicsMedium183×since 2002Q6105

The half-life of Au¹⁹⁸ is 2.7 days. The activity of 1.50 mg of Au¹⁹⁸ if its atomic weight is 198 g mol^

-

1 is, (N_a = 6

\times

10²³/mol).

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