Enthalpy of atomisation

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules

Which of the following isotopes has the same number of neutrons as phosphorus-31?

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.