The elements belonging to groups ______ are known as ‘d’ block elements.

  1. 3 to 12
  2. 1 and 2
  3. 13 to 18
  4. 3 to 10

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  1. The correct answer is option 1 i.e 3 to 12

    • The d-block of the periodic table contains the elements of the groups 3-12.
    • The d-block element is known as a transition element.
    • There total of 4 blocks in the modern periodic table. They are as follows: s block, p block, d block, f block.
    • There are 18 groups and 7 periods in the modern periodic table.
    • Total elements are 118 out of which 92 are metals, 7 are metalloids, and 20 are non-metal.
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