i. The period with electrons In the shells K, L and M. ii. The group with valency zero. iii. The family of nonmetals having valency One.

Question

Write the names from the description:

i. The period with electrons In the shells K, L and M.

ii. The group with valency zero.

iii. The family of nonmetals having valency One.

iv. The family of metals having valency two.

v. The metalloids in the second and third period.

Answer 1

i. Third period.

ii. Group 18.

iii. Halogen family.

iv. Group 2.

v. Boron, silicon.