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Class 11ChemistryClassification of Elements and Periodicity in PropertiesChemical Reactivity
Easy

Which of the following pairs of atomic numbers represents elements of the same group?

  • A
    $11$ and $20$
  • B
    $12$ and $30$
  • C
    $13$ and $31$
  • D
    $14$ and $33$
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

Subtopic

Chemical Reactivity

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