Answer and Explanation:
As the temperature of the substances increases, the average energy of the molecules increases, and average energy of attraction between the molecules decreases consequently intermolecular spacing between the molecules increases. As a result, a substance change in succession from gas to liquid to solid.
It is true because you can die of anything thus haveing an excess of ANYTHING can kill you and cause a family unhappiness
Magnesium react with hydrogen fluoride
Mg + 2HF → MgF2 + H2
Source: https://chemiday.com/en/reaction/3-1-0-5114
