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Me and My roommate were having a debate, and he believes that Platinum, as well as the platinum molecule (difference?) cannot melt once they are solidified,
and that A round from a weapon, such as a .50 caliber rifle, cannot penetrate a block of platinum of equal size (in length) to the bullet.
The second question is that my roommate believes that H and H2 are completely different,
and since they are, H can be frozen, and in turn has a melting point, but H2 cannot be turned into a solid.
I am telling him that essentially, they are very similar, and EVERY element has the ability to go through the three phases of solid, L, and gas,
whereas he says that is correct, but molecules cannot go through these phases. if that is so, how could you freeze water?