According to the Bohr model of the atom, which particles are allowed to exist in any one of a number of energy levels?

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.