Respuesta :
Answer:
oxygen obey the octet rule when reacting to form compounds by adding 2 electrons.
Explanation:
Answer:
See below.
Explanation:
An oxygen atom, in free state has 8 electrons, 2 in the first shell, and 6 in the second. It can only achieve stability if the valency of the valence shell is 0. In order for this, it combines with another atom with the same valency, such as magnesium or another oxygen atom to obey the octet rule. Hope it helps.
