Answer:
1) all matter is made up of atoms and molecules 2) these tiny particles are always in motion; the higher the temp. the faster they move 3) at the same temp., heavier particles move more slowly then small particles
Explanation:
Mercury is a homogenous mixture of two or more pure substances
A. Radiation
Air in a car is heated up with the radiator and then blown out with an air pump.
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud.
