Sorry but I can’t help you. The image is blurry and therefore the supposition is incorrect . But 12/4 equals 3
Answer:
CuO
Explanation:
Copper(II) oxide is a metal oxide it has the formula CuO. It has formula of copper(2+). Cupric oxide, or copper (II) oxide
Answer:
if you would like a proper answer you need to give us the options otherwise we can't help you?
Explanation: