An element in period 3, whose electron ...

ICSE Class 10 Chemistry 2023 Paper

SECTION - I

Choose the correct answers to the questions from the given options.

Question : 1 of 88

Marks: +1, -0

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

Solution:

(d) Argon

Explanation : Argon has the configuration

n s^2 p^6

, so its octet is complete. It does not have tendency to gain electron, hence electron affinity is zero.

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