Q. Elements of the same vertical group of the Periodic Table have

A) Same atomic number
B) Same atomic size
C) Same number of atoms
D) Same number of electrons in outermost shell
Explanation

The correct answer is Option D: Same number of electrons in outermost shell.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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