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  • Created by: AnushaK
  • Created on: 14-02-14 17:36
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  • S,P,D,F
    • S-Block Elements
      • Outermost electrons in S subshells
      • E- lost to form +ve ions
      • Metal such as Na, Mg, K and Ca are very reactive and form stable ionic compounds with non-metals
      • LOW M.P AND B.P
      • Conduct Electricty - metallic bonding with sea of e- between atoms.
      • H and He also in s-block
    • P-block Elements
      • Group 3,4,5,6,7,8
      • Contains all non-metals and metalloids and some metals
      • Form Covalent bonds with other non-metals and ionic bonds with metals
      • Majoirity do conduct electricity. Graphite is an exception
      • Metalloids - poor electricity conduction, metallic in nature
      • All metals in the p-block conduct electricity, heat but not strong metals
    • D-block Elements
      • Between grp 2&3
      • A.k.a transition metals
      • Everyday metals e.g. copper, iron, silver
      • Much less reactive than grp 1&2 metals
        • Inner D orbitals being filled + outer S subshell is full
    • F-Block Elements
      • E- being added in F subshells
      • Top row - 14 elements - lanthanides are all similar
      • 2nd row - Actinides are all radioactive
        • Only up to uranium are naturally occurring
        • Other synthesised by chemists
          • Very unstable
          • Half-lives only milliseconds


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