The number of protons in the nucleus for that element
Answer:
O
Explanation:
they have O valence electrons
Carbon (after hydrogen, helium and oxygen).
I believe the answer is B. Liquid water is stabilized by strong inter-molecular forces between the molecules. This is why the energy needed to completely separate the molecules converting to gas is much greater than that of converting a solid into liquid. The latent heat of vaporization will have to be higher for the liquid to become a gas.
Answer:
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