Q. Find the odd -
✅ Correct Answer: (B)
Silicon
Explanation:
✅ Answer: (B) Silicon
Reason:
- Potassium – Metal (Alkali metal) ✔️
- Zirconium – Metal (Transition metal) ✔️
- Gallium – Metal (Post-transition metal) ✔️
- Silicon – Metalloid (has properties of both metals and non-metals) ❌
Therefore, Silicon is different from the other three.
✅ Correct Option: (B) Silicon
Quick Exam Trick
- K (Potassium) → Metal
- Zr (Zirconium) → Metal
- Ga (Gallium) → Metal
- Si (Silicon) → Metalloid
So, Si is the odd one out.
Explanation by: Mr. Dubey
✅ Answer: (B) Silicon
Reason:
- Potassium – Metal (Alkali metal) ✔️
- Zirconium – Metal (Transition metal) ✔️
- Gallium – Metal (Post-transition metal) ✔️
- Silicon – Metalloid (has properties of both metals and non-metals) ❌
Therefore, Silicon is different from the other three.
✅ Correct Option: (B) Silicon
Quick Exam Trick
- K (Potassium) → Metal
- Zr (Zirconium) → Metal
- Ga (Gallium) → Metal
- Si (Silicon) → Metalloid
So, Si is the odd one out.