| A | B |
|---|
| orbital | region of high probability of finding an electron |
| Aufbau principle | tendency of electrons to enter orbitals of lowest energy first |
| electron configuration | arrangement of electrons around atomic nucleus |
| ground state | lowest energy level |
| exclusion principle | each orbital has at most two electrons |
| photoelectric effect | ejection of electrons from metals by light |
| Heisenberg uncertainty principle | states the impossibility of knowing both the position and velocity of moving particle at same time |
| speed of light in a vacuum | 3.00 x 10^8 cm/s |
| Planck's constant | 6.62 x 10^-34 J s |
| mass of an electron | 9.11 x 10^-28 g |
| frequency of red light range | 6.0 x 1014 s-1 |
| de Broglie's equation | predicts that all matter will exhibit wave like motion |
| amplitude | height of a wave from origin to crest |
| frequency | number of wave cycles passing a point per unit oftime |
| wavelength | distance between wave crests |
| photon | discrete bundle of electromagnetic energy |
| quantum | energy needed to move an electron from one energy level to another |
| spectrum | separation of light into differen wavelengths |
