Arrange N, O and S in order of decreasing electron affinity :

CHEMISTRY · Single correct · A Level · Chemistry · Periodicity and periodic trends · Periodicity and periodic trends

Problem

Arrange N, O and S in order of decreasing electron affinity : (1) S>O>N\text{S} > \text{O} > \text{N} (2) O>S>N\text{O} > \text{S} > \text{N} (3) N>O>S\text{N} > \text{O} > \text{S} (4) S>N>O\text{S} > \text{N} > \text{O}

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