Neon's outer energy level contains electrons. a) 2 b) 8 c) 10 d) 20

B) 8

Neon is a noble gas which means it is in the 18th group which has 8 valence electrons. Thus Neon has 8 valence electrons.

Its 8 which is b good luck (:

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

elements make up everything, and they combine to make compounds.

the answer is c