Atoms of an element differ from those of all other elements in
A. Atomic number and electronic configuration.
B. Number of neutrons and number of valence electrons.
C. Atomic number and number of valence electrons.
D. Number of neutrons and electronic configuration.
Answer: Option A
So confusing ... Pls review ur ans 🤯🤯🤯🤯
May be error
Atomic number and electronic configuration is correct option
Bouncing from my head