Q. Which one of the following combinations represents a metallic element?

A) 2, 8, 2
B) 2, 8, 4
C) 2, 8, 7
D) 2, 8, 8
Explanation

(a)
2, 8, 2 because it would donate electron more easily

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.