MCQ
Which pair of elements with the given atomic numbers is expected to have similar properties?
  • $40,72$
  • B
    $20,36$
  • C
    $10,28$
  • D
    $11,12$

Answer

Correct option: A.
$40,72$
a
$Zr\,(40),\,Hf\,(72)$ have similar properties as they belong to same group and have same valence shell electronic configuration

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