Question

Which of the following orbitals will be filled first?
i) 2p or 3s ii) 3d or 4s

Answer 1

Answer:

option 1 is right answer

Answer 2

$\large{\mathcal{\blue{Answer}}}$

$\large{\mathcal{\blue{(1)2p}}}$

$\large{\mathcal{\blue{(2)3d}}}$

should be filled first