UPSC CDS I 2025 GK Paper

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Question : 60 of 120

Marks: +1, -0

Number of electrons present in the species H₂⁺, He, H₂ and O₂⁺ respectively are:

1, 2, 2, 15
1, 2, 1, 14
2, 2, 2, 16
0, 2, 1, 14

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