Reginald378 Reginald378

02-06-2015
Chemistry

Answered

An electron in a sodium atom moves from the third shell to the fourth shell. This change is a result of the atom
(1) absorbing energy (3) gaining an electron
(2) releasing energy (4) losing an electron

Answer :

lulu1991 lulu1991

02-06-2015

The answer is (1) absorbing energy. The electrons just change the shell position. So there is no losing or gaining. And the outer shell has higher energy than inner shell. So the atom is absorbing energy.

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