Question

Elements with atomic number 18 belongs to

A) 2

nd period, 8th group

B) 3

rd period, 8th group

C) 2

nd period, 18th group

D) 3

rd period, 18th group​

Answer 1

Answer:

3 rd period, 8th group is the answer

Answer 2

Option d) 3

3rd period, 18th group

hope it helps you