The principles that gives the correct explanation why ground state electronic configuration of Si is and not is:
If carbon atom has electronic configuration 1s6, it would have energy lower than that of the normal ground state configuration 1s2 2s2 2p2. Yet 1s6 is not observed because it violates
Nitrogen has the electronic configuration 1s2,2s2 2p1x 2p1y 2p1z and not 1s2,2s2 2p2x 2p1y 2p0z which is determined by
Which of the following is responsible to rule out the existence of definite paths or trajectories of electrons ?
(a) Pauli's exclusion principle
(b) Heisenberg's uncertainty principle
(c) Hund's rule of maximum multiplicity
(d) Aufbau principle