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Group 2

Descrição

Mapa Mental sobre Group 2, 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 2
  1. Reactivity increases down the group
    1. Larger atomic radii
      1. More shielding
        1. Less nuclear attraction
        2. Lose electrons to form 2+ ions
          1. Group 2 oxides + water = group 2 hydroxides
            1. Thermal decompostition
              1. Group 2 carbonate = group 2 oxide + carbon dioxide
              2. Ca(OH)2 used to neutralise acidic soils
                1. Mg(OH)2 is used to neutralise excess acid in the stomach

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