An atom of nitrogen contains seven electrons. describe the number of
electrons in each energy level in an atom of nitrogen.

Aliquid is an answer i hope this

This is the answer of your question

I'm pretty sure the answer is c 

We can infer that star y is closer but other factors must be considered including the heat of the star, the mass, and the brightness of the star. even though star x seems dimmer it may just be less bright or contain less heat.