Multiple choice

Which of the following does not form a Nitride?

  1. Cs

  2. Li

  3. Mg

  4. Al
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cesium (Cs) does not form a stable nitride due to its very large ionic radius and low charge density, which makes ionic bonding with N^3- unfavorable. Li, Mg, and Al readily form nitrides (Li3N, Mg3N2, AlN) due to their smaller size and higher charge density allowing stable ionic interactions.

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