Question:medium

Which pair is different from the others?

Show Hint

Diagonal pairs show unusual similarities across groups.
Updated On: Jun 17, 2026
  • Li — Mg
  • B — Al
  • Na — K
  • Ca — Mg
Show Solution

The Correct Option is A

Solution and Explanation

Understanding the Concept: Diagonal relationship in periodic table

Step 1: Li–Mg and B–Al show diagonal similarity.

Step 2: Ca–Mg belong to same group.

Step 3: Na–K also belong to same group.

Step 4: Only Li–Mg is a diagonal pair (unique).
Final Answer:
Different pair = Li–Mg
Was this answer helpful?
0

Top Questions on Inorganic chemistry

Questions Asked in MET exam