Question

Which element belongs to the p-block?

O oxygen
O rubidium
O hydrogen
O cobalt

Answer 1

Answer: Oxygen

Step-by-step explanation:

Answer 2

Oxygen

Step-by-step explanation:

Oxygen - p-block (group = 2, period = 16)

Rubidium - s-block (group = 5, period = 1)

Hydrogen - s-block (group = 1, period = 1)

Cobalt - d-block (group = 4, period = 9)