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AP EAMCET202125 Aug 2021Morning ShiftChemistryd and f Block ElementsActual

Which element belongs to the family of elements, that also includes element gallium?

Options

  1. ACarbon
  2. BAluminium
  3. CIron
  4. DArsenic

Correct answer

B. Aluminium

Step-by-step solution

In the periodic table of elements, gallium (Ga) is grouped in the boron family (group 13) which include the semi-metal boron (B) and the metals aluminium ( Al ), gallium ( Ga ), indium (In) and thalium ( Tl ) . aligned Ga (Z=31) & =[ Ar ] 4 s^2 3 d¹⁰ 4 p^1 Al (Z=13) & =[ Ne ] 3 s^2 3 p^1 aligned

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