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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
ns1 and ns2 outermost electronic configuration of s-block elements. They are all reactive metals with:
  • A
    High ionisation enthalpies.
  • B
    Low ionisation enthalpies.
  • C
    Larger principal quantum number.
  • D
    None of the above.
✓

Answer

  1. Low ionisation enthalpies.

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