An element in period 3, whose electron affinity is zero:

ICSE Class 10 Chemistry PYQ · 2023 Paper · Section A

1(i)1 Mark · 2023 · Section A · 2023 Paper

An element in period 3, whose electron affinity is zero:

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Argon

Reason — Argon belongs to period 3. It is an inert element and its octet is complete hence, it's electron affinity is zero.

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