Order these atoms from the highest to lowest amount of protons. 1. gallium
2. tin
3. potassium
4. barium
5. aluminum

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining

8. what happens to matter during a chemical reaction