I’m assuming you mean 5g of magnesium :)
Answer:
a covalent would be the two that are nonmetals
We need to see your problem/question you’re talking about to answer it
boyles law states that the volumes of a gas will decrease as pressure increases if the temperature remains constant.
charles law states that the volume of a gas will increase as temp increases if the pressure remains constant.
gay-lussacs law states that the pressure increases as temp increases if the volume remains constant.