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Class 12Chemistryd-and f-Block ElementsGeneral Characteristics
Easy

Zinc and mercury do not show variable valency like $d-$block elements because

  • A
    They are soft
  • B
    Their $d-$shells are complete
  • C
    They have only two electrons in the outermost subshell
  • D
    Their $d-$shells are incomplete
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

General Characteristics

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