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3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
Which of the following element show $+ 7\, O's$ ?
  • A
    $Cl$
  • B
    $Mn$
  • C
    $Np$
  • ✓
    All of these
✓

Answer

Correct option: D.
All of these
d

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