Question

Which of these elements can become stable by losing 1 electron? Explain

A. Calcium
B. Argon
C. Soduim
D. Nitrogen
E. Oxygen
F. Chlorine

Answer 1

C. Sodium.
This is correct because it would then become like the noble gases, which are not reactive because they have 8 valence electrons in their outer shell. Therefore, it will become stable because it would have 8 valence electrons in its outer shell.