Which statement explains why increasing the
temperature increases the rate of a chemical
reaction, while other conditions remain the same?
(1) the reacting particles have less energy and
collide less frequently.
(2) the reacting particles have less energy and
collide more frequently.
(3) the reacting particles have more energy and
collide less frequently.
(4) the reacting particles have more energy and
collide more frequently.

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.