Electron Structue

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  • Created by: Kb_1504
  • Created on: 15-11-15 09:39
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  • Electron Structures
    • Main energy levels are sub-divided into sub-shells and these consist of orbitals called s, p and d-orbitals
    • Electrons occupy energy levels around the nucleus of the atom, where each shell has a principal quantum number.
      • Main energy levels are sub-divided into sub-shells and these consist of orbitals called s, p and d-orbitals
    • For principal quantum number, n = 1, the number of electrons is 2; for n = 2, the number is 8; then 18; then 32 electrons for n = 4.
      • Electrons occupy energy levels around the nucleus of the atom, where each shell has a principal quantum number.
      • Electrons
        • Have a charge of -1 and a mass of 1/2000
      • Key Definitions
        • Atom Orbitials
          • A region in within an atom that can hold up to two electrons with opposite spins
        • Atomic Number
          • The number of protons in the nucleus of an atom.
        • Electron Configuration
          • The arrangement of the electrons in an atom.

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