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KCET · Classification of Elements and Periodicity (1st PUC) · Quiz

Classification of Elements and Periodicity (1st PUC) — quick quiz

2 KCET-pattern questions on Classification of Elements and Periodicity (1st PUC). Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 2

Hard

The first ionization enthalpy of magnesium is higher than that of sodium because: