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प्रश्न
The electronic configuration of the atom having maximum difference in first and second ionisation energies is
पर्याय
1s2, 2s2, 2p6, 3s1
1s2, 2s2, 2p6, 3s2
1s2, 2s2, 2p6, 3s2, 3s2, 3p6, 4s1
1s2, 2s2, 2p6, 3s2, 3p1
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उत्तर
1s2, 2s2, 2p6, 3s1
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