Which of the following is not a property of a covalent bond?

can be gases, liquids, or solids at room temperature.

have high melting points and high boiling points

are often soluble in water or other solvents

our poor electrical conductors

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.