Teaching UP TGT Mock Test Series 2025 General Science Chemistry Classification of Elements and Periodicity in Properties
Electronic configuration 1s2 2s2 \(\rm 2p_x^2\,\,2p_y^2\,\,2p_z^0 \) is not obeying the law -
1
Pauli's exclusion principle
2
Hund's rule
3
Anfbau rule
4
Bohr-Bury's rule