Q. Electronic configuration of deuterium atom is
A) $1s^{1}$
B) $2s^{2}$
C) $2s^{1}$
D) $1s^{2}$
Explanation
(a)
Deuterium is an isotope of hydrogen. Its atomic number is one. Hence, its electronic configuration is
$\ _{1}D^{2}:1s^{1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.