Teaching UP TGT Mock Test Series 2025 General Science Chemistry Classification of Elements and Periodicity in Properties
Which of the following points are correct regarding the electronic configuration?
A. It is the arrangement of electrons in the shells of an atom.
B. It is the arrangement of electrons in the subshells.
C. It is the arrangement of electrons in the orbitals of an atom.
1
A, B, C all three
2
B and C only
3
Only A
4
A and B only