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Which of the following statements are true? Statement 1: LS coupling is suitable for lighter atoms. Statement 2: JJ coupling is suitable for heavier atoms.

Which of the following statements are true? Statement 1: LS coupling is suitable for lighter atoms. Statement 2: JJ coupling is suitable for heavier atoms. Correct Answer Statement 1 and statement 2, both are true

In LS coupling S, L, J and MJ are four quantum numbers used to describe electronic states in lighter atoms. JJ coupling is more applicable in heavier atoms, where the four quantum numbers are J, MJ, ML and MS.

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