Question
An element whose $IUPAC$ name is ununtrium $(Uut)$ belongs to

Answer

b
$(b)$ Ununtrium for atomic number $= 113;$       for $Z > 86\, pd. no. = 7$
          $113\, [Rn]7s^2,5f^{14},6d^{10},7p^1$
          $p-block$

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