Question

What is the electronic configuration of the second element in the halogen family of the second period?

• A. 2,8,18,18,7
• B. 2,8,18,7
• C. 2,8,7
• D. 2,7

Answer 1

The correct option is C

2,8,7

The second element in the halogen family of the second period is chlorine. Electronic configuration of chlorine is 2,8,7. Halogens have 7 electrons in their valence shell.