In the modern periodic table, which blocks contain the representative elements?
Correct Answer: s and p blocks
Subject: chemistry
- s and p blocks
- d and f blocks
- s and d blocks
- p and f blocks
Explanation: • <b>Key Fact</b>
Elements of s and p-blocks are called representative elements.
• <b>Supporting Detail</b>
s-block contains Groups 1 and 2, while p-block contains Groups 13 to 18.
• <b>Related Concept</b>
d-block elements are transition elements, and f-block are inner transition elements.
• <b>Why wrong options are wrong</b>
Options containing d or f blocks refer to transition or inner transition elements.
• <b>Exam Trick</b>
'SP' (Super Power) elements represent the main table.
• <b>Additional Info</b>
Helium belongs to the s-block structurally but is placed with noble gases.