what-is-the-electron-configuration-of-boron-after-losing-3-electrons

Question

What is the electron configuration of boron after losing 3 electrons?

Accepted Answer

$$1s^{2}$$

Answer

$$1s^{2}$$ $$2s^{2}$$

Answer

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

Answer

$$1s^{2}$$ $$2s^{1}$$