Which of the following phase changes is an exothermic change!
sublimation
deposition
vaporization
melting

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.