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Class 11ChemistryClassification of Elements and Periodicity in PropertiesChemical Reactivity
Medium

Which of the following pairs has elements containing the same number of electrons in the outermost orbit?

  • A
    $N$,$O$
  • B
    $Na$,$Ca$
  • C
    $As$,$Bi$
  • D
    $Pb$,$Sb$
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11

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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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