Atomic Theory

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GCSE Chemistry (Atomic Structure) Mindmap am Atomic Theory, erstellt von hannah-lewis am 17/05/2013.
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Zusammenfassung der Ressource

Atomic Theory
  1. John Dalton
    1. 1808
      1. "All atoms are made up of small individual particles"
        1. Atoms of the same element are identical
          1. atoms rearranged in a chemical reaction
            1. Compounds are 2 or more atoms together
            2. J.J Thomson
              1. 1987
                1. Electron
                  1. Plum Pudding
                    1. negative electrons in a sphere of positive
                    2. Atom is neutral
                    3. Ernest Rutherford
                      1. 1913
                        1. discovery of nucleus
                          1. Protons = Electrons
                            1. electrons are around a positive nucleus
                              1. protons are 2000 times heavier than electrons
                                1. most mass is in the nucleus
                                2. James Chadwick
                                  1. 1932
                                    1. neutron
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