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Atomic and Molecular Structure question

2016 · Q28
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Atomic and Molecular Structure question

2016 · Q28

IIT JAMChemistryAtomic and Molecular StructureMCQ+2 / −0.67
The effective nuclear charge of helium atom is 1.7. The first ionization energy of helium atom in eV is
  1. A
    13.6
  2. B
    23.1
  3. C
    39.3
  4. D
    27.2
View written solutionFree

Correct answer: C

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