Multiple choice general knowledge science & technology

How many electrons do halogens have in their outer shell. ( Give away - Fluorine is a type of halogen )

  1. 8

  2. 6

  3. 7

  4. 5

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Halogens (Group 17 elements) have 7 electrons in their outermost shell. This is one electron short of a stable octet, explaining their high reactivity. Fluorine, chlorine, bromine, and iodine all follow this pattern.