The elements of groups, 1, 2, 13, 14, 15, 16 and 17 are collectively called :

  1. A

    noble gas 

  2. B

    representative or normal elements 

  3. C

    transition elements

  4. D

    Inner transition elements

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    Solution:

    Groups 1, 2, 13, 14, 15, 16, and 17's constituent elements are referred to as Representative or typical elements collectively.
    These are, respectively, elements of the s block (groups 1 and) and the p block (groups 13, 14, 15, 16 and 17).
    Group 18 of the periodic table's zero group is where noble gases are located.
    D block elements are transitional elements.
    F block elements are used in inner transitions.

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