Classification of Elements and Periodicity in Properties — quick quiz

5 real JEE Advanced questions on Classification of Elements and Periodicity in Properties. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 4

HARD

Consider four consecutive elements in the third period with atomic numbers Z, Z+1, Z+2, and Z+3. The first ionization energies follow the order I₁(Z) < I₁(Z+1) < I₁(Z+3) < I₁(Z+2). Which of the following represents element Z?