An element had five valence electrons for bonding. this element is most likely which of the following?

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

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.