Sodium is a reactive, alkali metal. A neutral sodium atom consists of 11 protons, 11 electrons and 12 neutrons. It is a soft metal and metallic silver in color. Sodium plays an important role in the functioning of the human nervous system.
Which of the following images represents the atomic structure of a neutral sodium atom?
W.
X.
Y.
Z.
A.
W
B.
X
C.
Z
D.
Y
