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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
MCQ
State the electronic configuration for Helium [p = 2, n = 2].
  • A
    1 
  • B
    3, 2
  • C
    2
  • D
    2, 4
✓

Answer

  1. 2

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