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Class 12Chemistryp-Block Elements (Class 12)Noble gases
Medium

Which of the following elements does not belong to the family of elements indicated?

  • A
    Rubidium ($Rb$,$Z = 37$) : Alkali metals
  • B
    Barium ($Ba$,$Z = 56$) : Alkaline earth metals
  • C
    Iridium ($Ir$,$Z = 77$) : Noble gases
  • D
    Argon ($Ar$,$Z = 18$) : Noble gases
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

p-Block Elements (Class 12)

Subtopic

Noble gases

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