temperature increase?

Question

When temperature increases, the energy of electrons increases. The molecules' energy also increases too. So during heating, heat energy is used to increase eletrons' movement and to increase molecules' collision. Is that what I say right?

And where does the energy of electrons come from?

Answer 1

So explained, it is difficult to answer especially for electrons.

For molecules no problem, when you heat, the Brownian motion accelerates and collisions are more frequent;

For electrons in atoms ,they are on given orbital and usually heat under thousand of degrees can not change orbitals.

But for free electors in metal it is possible, but on limited scale

Answer 2

When you raise the temperature of a system, the molecules bounce around a lot more (because they have more energy). When they bounce around more, they are more likely to collide. That fact means they are also more likely to combine. When you lower the temperature, the molecules are slower and collide less. That temperature drop lowers the rate of the reaction.

Answer 3

Yes.