for-each-of-the-following-elements-provide-the-complete-electron-configuration-a

Question

For each of the following elements, provide the complete electron configuration. a. Rbb. Sc. Ard. As

Accepted Answer

a) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}4p$$^{6}$$5s^{1}$$; b) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{4}$$; c) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}$$; d) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}$4p^{3}$$

Answer

a) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}4p$$^{6}$$5s^{2}$$; b) $$1s^{2}2s$$^{2}$$2p^{6}3p$$^{4}$$; c) 1s$$^{2}$$2s^{2}2p$$^{6}$$3s^{2}3p$$^{6}$$; d) 1s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$3d^{10}$4p^{3}$$

Answer

a) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$4p^{6}5s$$^{1}$$; b) 1s$$^{2}$$2s^{2}2p$$^{6}$$3s^{2}3p$$^{4}$$; c) 1s$$^{2}$$2s^{2}2p$$^{6}$$3p^{6}$$; d) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{6}4s$$^{2}$$4p^{3}$$

Answer

a) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3d^{10}3p$$^{6}$$4s^{2}4p$$^{6}$$5s^{1}$$; b) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3p^{4}$$; c) $$1s^{2}2s$$^{2}$$2p^{6}3s$$^{2}$$3d^{10}3p$$^{6}$$; d) 1s$$^{2}$$2s^{2}2p$$^{6}$$3s^{2}3p$$^{6}$$4s^{2}3d$$^{10}$$4p^{3}$$