the-following-electron-configurations-represent-excited-states-identify-the-elem-6

Question

The electron configurations given below represent excited states. Identify the elements, give their chemical symbols and write their ground state electron configuration.
A. 1s²2s²2p³3s¹
B. [Ar]4s²3d¹⁰4p²5p¹
C. [Kr]5s²4d²5p¹

Accepted Answer

A) O → [He]$$2s^{2}2p$$^{4}$$; B) As → [Ar]4s$$^{2}$$3d^{10}4p$$^{3}$$; C) Nb → [Kr]5s$$^{2}$$4d^{3}$$

Answer

A) F → [He]$$2s^{2}2p$$^{4}$$; B) P → [Ar]4s$$^{2}$$3d^{10}4p$$^{3}$$; C) Zr → [Kr]5s$$^{2}$$4d^{2}$$

Answer

A) O → [He]$$2s^{2}2p$$^{5}$$; B) Sb → [Ar]4s$$^{2}$$3d^{10}4p$$^{3}$$; C) Mo → [Kr]5s$$^{2}$$4d^{4}$$

Answer

A) F → [He]$$2s^{2}2p$$^{5}$$; B) As → [Ar]4s$$^{2}$$3d^{10}4p$$^{3}$$; C) Nb → [Kr]5s$$^{2}$$4d^{3}$$