Exothermic.
To remember this, ‘exo’ means outside, and ‘thermic’ means heat. It gives the outside (exo), heat (thermic).
Answer:
Cobalt/Electron configuration
Explanation:
[Ar] 3d7 4s2
According to the basic facts, the only one non-charged subatomic particle from the scale is definitely neutrons because protons is always positively charged whereas elecrtons is <span>negatively charged. So, the right answer is A.</span>
C. Also just look up a chemical equation balancer calculator next time.
