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9 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Principle quantum number |
n, size and energy of orbitals |
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2nd quantum number |
l, shape of orbital |
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3rd quantum number |
m, orientation of orbitals |
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4th quantum number |
s, spin of electrons in orbitals |
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Afbau principle |
Eneegy levels are filled in order of increasing energy |
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Pauli exclusion principle |
Orbitals can hold a maximum of 2 electrons, if orbital holds 2 electrons they must opposite spin |
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Hunds rule |
Degenerate orbitals are silled singly first with parrallel spins |
Empty bus seat rule |
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Ionisation energy |
Energy required to remove 1 mole of electrons from 1 mole of atoms in their GASEOUS state |
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Heinsenbergs uncertainty principle |
It is impossible to state precisely the position and momentum of an electron in the same instant |
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