Group 7

Beschreibung

Mindmap am Group 7, erstellt von rachbreen am 07/05/2013.
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Mindmap von rachbreen, aktualisiert more than 1 year ago
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Erstellt von rachbreen vor etwa 11 Jahre
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Zusammenfassung der Ressource

Group 7
  1. Van der Waals increase down group due to increase in electrons
    1. Boiling points increase.
    2. Reactivity decreases down the group
      1. Atomic radius increases
        1. Shielding increases
          1. Nuclear attraction for other electrons is not as strong
          2. Need to attract an electron to form octet!!! - ion
            1. Halide ions
              1. Chlorine + silver = white precipitate
                1. Soluble in dilute ammonia
                2. Bromine + silver = cream precipitate
                  1. Soluble in concentrated ammonia
                  2. Iodine + silver = yellow precipitate
                    1. Insoluble in concentrated ammonia
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