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Group 7

Descrição

Mapa Mental sobre Group 7, criado por rachbreen em 07-05-2013.
rachbreen
Mapa Mental por rachbreen, atualizado more than 1 year ago
rachbreen
Criado por rachbreen aproximadamente 11 anos atrás
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Resumo de Recurso

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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