Arrange the elements in increasing order of atomic radius: Na, Rb, K, Mg.

Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties

1. Rb, K, Mg, Na
2. Na, K, Mg, Rb
3. Mg, Na, K, Rb
4. K, Na, Mg, Rb

Answer

(C) Mg, Na, K, Rb

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