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Representative elements
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Group 1A  and Group 7A  elements are examples  of  representative  elements

    Explanation

  • Representative element  - are element in the first two families that is group 1 and 11 element on the far left  of periodic table.
  • In addition  representative element include  the last 6 families  on  the right  side of periodic table.
  •   The representative element include s  and p  blocks element of periodic table.