AP EAMCET202125 Aug 2021Morning ShiftChemistryd and f Block ElementsActual
Which element belongs to the family of elements, that also includes element gallium?
Options
- ACarbon
- BAluminium
- CIron
- 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