Question

Energy of orbit X of Li$^{2+}$ is $-2.18\times10^{-18}$ J. Find radius of same orbit (in Å).}

• A. 2.116
• B. 2.105
• C. 1.587
• D. 2.645

Hint:

For hydrogen-like atoms: $r \propto \frac{n^2}{Z}$.

Answer 1

The Correct Option is A