C) energy level
Looking at quantum mechanics, we see that electrons exist at certain energy levels. When they get excited, they’ll jump from one energy state to a higher energy state and down. We can the. Look at the color it admits and determine what the energy level is.
The freezing point is your answer
Answer:
I'm not the smartest human being on Earth, so I'm not 100% sure, but I think that the answer is either B or D. Again I don't know for sure, but that's what I think
