Question

A neutral atom of an element has a nucleus with nuclear charge $11$ times and mass $23$ times that of hydrogen. Write the electronic configuration of the element?

• A. $2,1$
• B. $2,8,1$
• C. $2,8$
• D. $2,8,8,3$

Answer 1

The correct option is B $2,8,1$

Since the charge of the nucleus is $11$ times that of the hydrogen atom, the number of electrons is $11$ and electronic configuration is $2,8,1$.

Hence, Option (B) is correct.