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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Which of the following has zero valency
  • A
    Sodium
  • B
    Beryllium
  • C
    Aluminium
  • ✓
    Krypton
✓

Answer

Correct option: D.
Krypton
d
Noble Gases have zero valencies. Among the given options, only krypton is a noble gas.

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