what-is-the-electron-configuration-of-oxygen-after-gaining-2-electrons

Question

What is the electron configuration of oxygen after gaining 2 electrons?

Accepted Answer

$$1s^{2}$$ $$2s^{2}$$ $$2p^{6}$$

Answer

$$1s^{2}$$ $$2s^{2}$$ $$2p^{3}$$

Answer

$$1s^{2}$$ $$2s^{2}$$ $$2p^{5}$$

Answer

$$1s^{2}$$ $$2s^{2}$$ $$2p^{4}$$