Q. Which of the following is non-metallic?
A) B
B) Be
C) Mg
D) Al
Explanation
(a)
B is non-metal among Be, Mg, Al and B. Be Mg and Al are metals. Metallic character increases when we move down the group and decreases along period.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.