Mind map

Orbitals

luanawho Chemistry AS English

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Orbitals

Quantum numbers
- Numbers used to describe electrons in atoms
- Principal quantum number, n, indicates shell electrons are in
Atomic orbital
- A region within an atom that can hold up to two electrons with opposite spins
- S orbital
  - Spherical shape
  - Only one per shell
- P orbital
  - Hourglass shape
  - Each shell can have 3
- D orbital
  - Each shell can have 5
Notation
- Lithium
  - 1s(2), 2s(1)
- Sodium
  - 1s2 2s2 2p6 3s1
- S orbital must always be filled first

Description: AS Chemistry (Electrons, bonding and structure) Mind Map on Orbitals, created by luanawho on 24/09/2014.
Created by: luanawho
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