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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 has lowest first ionisation potential
  • ✓
    $B$
  • B
    $C$
  • C
    $N$
  • D
    $O$
✓

Answer

Correct option: A.
$B$
a
(a) Ionisation potential increases across the period.

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