NCERT Exercise 3.30 - Classification of Elements and Periodicity in Properties

Question: Assign positions for (i) ns2np4, n = 3; (ii) (n-1)d2ns2, n = 4; (iii) (n-2)f7(n-1)d1ns2, n = 6.

Answer: (i) Period 3, Group 16, p-block (S); (ii) Period 4, Group 4, d-block (Ti); (iii) Period 6, f-block, lanthanoid (Gd).

Full step-by-step NCERT solution with diagrams on Something by Zero.

All Chapter 3 solutions