| A | B |
|---|
| covalent bond | bond is formed when atoms share electrons |
| ph | measures the concentration of hydrogen ions in a solution |
| hydrogen bond | formed only between hydrogen and nitrogen or oxygen |
| base | substance that releases hydroxide ions when dissolved in water |
| compound | sunstance composed of two or more different kinds of elements |
| neutron | neutral particle in an atom |
| polar covalent bond | bond is formed when electrons are shared unequally |
| chemical bonds | the attraction between two atoms resulting of the sharing or transfer of outer electrons ex: chemical, ionic, covalent, polar covalent and hydrogen bonds |
| molecule | smallest unit of compound composed of atoms covalently bonded together |
