Any atom, except hydrogen and helium, is considered chemically stable when there are how many electrons in the outermost shell?
A) 5
B) 3
C) 2
D) 8
Answer: D) 8
Any atom, except hydrogen and helium, is considered chemically stable when there are how many electrons in the outermost shell?
A) 5
B) 3
C) 2
D) 8
Answer: D) 8