JEE Main & Advanced
Chemistry
Structure of Atom / परमाणु संरचना
Question Bank
Quantum number, Electronic configuration and Shape of orbitals
question_answer
The statements [AIIMS 1982] (i) In filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular orbital. (ii) When two electrons are placed in two different orbitals, energy is lower if the spins are parallelare valid for