s, p, d and f block elements — NEET & JEE Questions

Question 1 · difficulty L1 · recall

Elements in which the differentiating electron enters an s orbital belong to the

• A. s-block
• B. p-block
• C. d-block
• D. f-block

Question 2 · difficulty L2 · understanding

The p-block generally includes Groups

• A. 13 to 18
• B. 1 and 2 only
• C. 3 to 12 only
• D. lanthanoids and actinoids only

Question 3 · difficulty L2 · understanding

The d-block elements are commonly called

• A. transition elements
• B. noble gases
• C. alkali metals
• D. inner-transition elements only

Question 4 · difficulty L2 · understanding

The f-block comprises mainly

• A. lanthanoids and actinoids
• B. alkali metals and alkaline earth metals
• C. halogens and noble gases
• D. Groups 13 and 14

Question 5 · difficulty L3 · application

An element has valence configuration ending in $3p^5$. It belongs to the

• A. p-block
• B. s-block
• C. d-block
• D. f-block

Question 6 · difficulty L3 · application

An element has configuration ending in $4s^2$. It is most naturally classified in the

• A. s-block
• B. p-block
• C. d-block
• D. f-block

Question 7 · difficulty L3 · application

An element has a differentiating electron entering a 3d orbital. Which block is it in?

• A. d-block
• B. s-block
• C. p-block
• D. f-block

Question 8 · difficulty L3 · application

An element with progressive filling of 4f orbitals belongs to the

• A. f-block
• B. d-block
• C. p-block
• D. s-block

Question 9 · difficulty L4 · application

Which pair correctly matches block and general electron configuration?

• A. s-block: $ns^{1-2}$; p-block: $ns^2np^{1-6}$
• B. s-block: $np^6$; p-block: $(n-1)d^{1-10}$
• C. d-block: $nf^{1-14}$; f-block: $np^{1-6}$
• D. All blocks have the same valence configuration

Question 10 · difficulty L4 · application

Which block contains the elements in which the differentiating electron enters the penultimate shell's d subshell?

• A. d-block
• B. p-block
• C. s-block
• D. f-block