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ElectronArrangementt
Unit 4 Electron Arrangement Test
| Question | Answer |
|---|---|
| characteristic properties of all waves | frequency, wavelenght, speed, amplitude |
| at what speed to all electromagnetic waves travel in a vacuum | 3x10^8 m/s |
| continuous spectrum of white light | refracted into all colors |
| atomic emission spectrum | each element has a certain spectrum- certain wavelengths+frequencies- each element has its own unique line spectrum |
| 2 ways behavior of electrons can be described | waves and particles |
| waves formula | c= v times wavelength |
| particles formula | E=hv |
| Heisenberg's Uncertainty Principle | you cannot determine the position and momentum of an electron at the same time |
| 4 quantum numbers | principle qn, angular qn, magnetic qn, spin qn |
| 3 rules for writing electron configurations | Aufbau Principle, Poli exclusion principle, hund's rule |
| aufbau principle | electrons enter 1 at a time to the lowest energy orbitals until all electrons have been accounted for |
| pauli exclusion principle | an orbital can hold at most 2 electrons; 2 electrons must have different spins |
| hund's rule | electrons occupy equal energy orbitals so that a max # of unpaired electrons result- dont pair up until they have to |
Created by:
AlanaR
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