Group 7

Descripción

Mapa Mental sobre Group 7, creado por rachbreen el 07/05/2013.
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Mapa Mental por rachbreen, actualizado hace más de 1 año
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Creado por rachbreen hace más de 11 años
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Resumen del 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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