Group 7 - Halogens

Question 1

G7 - Going down the group, they become _________

Answer 1

Less reactive

Why?
As it’s harder to gain an extra electron bc the outer shell stuff

Question 2

G7 - how many electrons in outer shell?

Answer 2

7

Question 3

G7 - what type of ions do they form

Answer 3

-1 ions