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

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

5 real KCET questions on Classification of Elements and Periodicity (1st PUC). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 2

HARD

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