The first one is correct cause first of all it's atomic number is 7 and second of all it's atomic mass is about 15
Answer:

Explanation:
Temperature and thermal energy are in a direct proportion which means that if temperature of a substance increases, its thermal energy also increases and vice versa.
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>
I believe the answer is B??????????? Hope this helps
~Queensupreme