Which of the following explains how one of the postulates in John Dalton's atomic theory later became robust knowledge? A. Some scientists found that some atoms of a particular element have different number of neutrons. B. Various scientists found that atoms combine in simple whole number ratios to form compounds. C. Some scientists found that atoms consist of subatomic particles with varying mass and charge. D. Various scientists found that sometimes a fraction of an atom can take part in a chemical reaction.

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.