[mkcoldwolf] 1st Standard Test

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mkcoldwolf
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[mkcoldwolf] 1st Standard Test

Post by mkcoldwolf » Wed Oct 24, 2018 5:07 am

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  • Period number (1 - 7) = number of occupied electron shells
  • Group number (I - VII, 0) = number of electrons in the outermost shell
  • Left Hand Side: Reactivity increases down the group
  • Right Hand Side: Reactivity decreases down the group
  1. Group I: Alkali metals
  2. Group II: Alkaline earth metals
  3. Group II & III: Transition metals
  4. Group VII: Halogens
  5. Group 0: Noble gases
  • Test for chloride ion
    - Add excess dilute nitric acid
    - Add silver nitrate solution
    - White precipitate forms
    - White insoluble silver chloride
  • Test
What ore does minerals come from:
  • bauxite = aluminium
  • copper pyrite = copper
  • haematite = iron
  • galena = lead
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