Answer:
Explanation:
If an electron is in an excited state it can return to a lower energy level. When it does this, it loses energy. The amount of energy it loses will be equal to the difference in the energy levels it moves between. This energy is released as a photon.
Change in freezing point = -1.86 C/m X 0.743 m X 2 = -2.76 C.. I hope that helps
Mass divided by volume equals density
