| A | B |
| electrolysis | the decomposition of asolution by a current of electricity |
| wave-particle duality of nature | everything has the properties of both a wave and a particle |
| momentum | mass x velocity |
| Newtonian mechanics | visible objects at ordinary velocities |
| quantum mechanics | small particles at speed of light |
| Heisenberg uncertainty principle | the inability to know the velocity and the position of an electron |
| quantum numbers | numbers used in describing electron behaviors |
| principal quantum number | n -the specific energy levels |
| sublevels | l -the many energy states grouped together to make up an energy level |
| orbital | the space occupied by a pair of electrons |