Electron shells and orbitals

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10 Terms

1
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Electrons are… and exist in…

clouds, exist in orbitals

2
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4 types of orbitals are…

s,p,d,f

3
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s orbital is… and occurs…every shell

spherical, once

4
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p orbital is…and occurs…from

dumbbell, three from 2nd onwards

5
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d orbital has…and occurs…from

4 lobes, five from 3rd onwards

6
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f orbital occurs…

seven from 4th onwards

7
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Electrons have a… in 2 directions..

spin, up and down

8
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The Aufbau principle:
electrons enter the…

lowest available energy level

9
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Pauli's exclusion principle:
2 electrons allowed in…

each orbital if opposite spin

10
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Hund's rule of maximum multiplicity:
orbitals of equal energy, electrons try to remain..

unpaired and have same spin