Group 7 and Group 2 elements and ions.

Descrição

Chemistry Mapa Mental sobre Group 7 and Group 2 elements and ions., criado por kdavies691 em 22-04-2013.
kdavies691
Mapa Mental por kdavies691, atualizado more than 1 year ago
kdavies691
Criado por kdavies691 mais de 11 anos atrás
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Resumo de Recurso

Group 7 and Group 2 elements and ions.
  1. Group 7- The halogens
    1. The elements
      1. Fluorine
        1. Highest electronegativity.
          1. Most reactive
          2. Chlorine
            1. Reacts with sodium hydroxide to make bleach
              1. Reacts with water to make HCl and HClO
                1. Takes part in disproportionation
                2. Bromine
                  1. Iodine
                  2. Halide ion
                    1. With Sulfuric Acid
                      1. NaCl + NaF
                        1. HF or HCl is made.
                          1. Not a redox reaction.
                          2. NaBr
                            1. Makes bromine, Sulphur dioxide and 2 waters.
                              1. A redox reaction
                              2. NaI
                                1. Goes to Iodine, Hydrogen sulfide, Water
                                  1. most powerfull reducing agent.
                                2. With sliver nitrate.
                                  1. NaF = No ppt.
                                    1. NaCl= white ppt.
                                      1. NaBr= Cream ppt.
                                        1. NaI = yellow ppt.
                                        2. -1
                                        3. Boiling points increase.
                                        4. Group 2- The ALKALINE EARTH METALS.
                                          1. Trends
                                            1. Atomic radius
                                              1. Increases down the group
                                              2. Ionisation energy
                                                1. Decreases down the group.

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