Question

The number of electrons having $l=0$ in chlorine atom $(Z=17)$ is

• A. $2$
• B. $4$
• C. $6$
• D. $5$

Answer 1

Answer: (C)

$Cl:1s^2,2s^2,2p^6,3s^2,3p^5$ Six electrons $(1s^2,2s^2,3s^2)$ have $l=0$