identify-the-electron-configuration-of-zr

Question

Identify the electron configuration of Zr.

Accepted Answer

$$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}4p$$^{6}$$5s^{2}$4d^{2}$$

Answer

$$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}4p$$^{6}$$5s^{1}$4d^{3}$$

Answer

$$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}4p$$^{6}$$4d^{5}$$

Answer

$$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}4p$$^{6}$$4d^{4}$$