2 public questions tagged with this topic.
Pnictogens are group 15 elements. Sb (group 15) is a pnictogen, while Te (group 16), I (group 17), and Sn (group 14) are not.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Nomenclature of Elements with Atomic Number >100
p-block spans groups 13–18. Options: (1) Na (group 1), Mg (group 2) → s-block; (2) B (group 13), C (group 14) → p-block; (3) Li (group 1), Be (group 2) → s-block; (4) K (group 1), Ca (group 2) → s-block.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Modern Periodic Law and Present Form - Long Form Periodic Table
