Question

Please answer with EXPLAINATION.. ⚡​

Answer 1

Answer:

b is the correct answer.

Explanation:

Because electron orbitals having the same energy levels are called degenerate orbitals. As per the Aufbau principle, the lower energy levels are filled before higher energy levels. As per Hund's rule, degenerate orbitals are filled evenly before electrons are filled into higher energy levels

Answer 2

I tried my best...

I don't know whether it's correct or not.. Just refer it once.