Government AP Flashcards
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| 12457753673 | wavelength | distance between the crests or between the troughs of two adjacent waves | 0 | |
| 12457813281 | electromagnetic spectrum | gamma rays, x-rays, ultraviolet light, visible light infrared, microwave, radio waves | 1 | |
| 12457871465 | valence electrons | electrons in the outermost shell | 2 | |
| 12457879795 | noble gases | group 18, all have 8 valence electrons | 3 | |
| 12457900495 | amplitude | height of a wave | 4 | |
| 12457914142 | trough | lowest point of a wave | 5 | |
| 12458187120 | viscosity | a liquid's resistance to flow | 6 | |
| 12458213200 | nuclear reaction | A reaction that involves protons, neutrons and electrons | 7 | |
| 12458333052 | Fission | The splitting of nuclei to release energy | 8 | |
| 12458339020 | Fusion | Combining of the nuclei | 9 | |
| 12458454334 | gamma radiation | High-energy radiation emitted by the nuclei of radioactive atoms. | 10 | |
| 12458463343 | alpha particle | +2 charge |  | 11 |
| 12461363125 | beta particle | -1 charge |  | 12 |
| 12461388272 | gamma rays | no charge | 13 | |
| 12461484949 | electromagnetic radiation | a form of energy that exhibits wavelike behavior as it travels through space | 14 | |
| 12461523823 | ground state | The lowest energy state of an atom | 15 | |
| 12461554191 | excited state | a state in which an atom has more energy than it does at its ground state | 16 | |
| 12463375921 | Aufbao principle | states that each elecron occupies the lowest energy orbital available | 17 | |
| 12463379247 | Hund's Rule | states that single electrons with the same spin must occupy each equal-energy orbital before additional electrons with opposite spins can occupy the same orbitals | 18 | |
| 12463489554 | atomic mass | number of protons and neutrons |  | 19 |
| 12463489555 | atomic number | number of protons | 20 |