Question

The correct order of increasing energy of atomic
orbitals is
(1) 5p < 4f < 6s < 5d (2) 5p < 6s < 4f < 5d
(3) 4f < 5p < 5d < 6s (4) 5p < 5d < 4f < 6s​

Answer 1

$\mathscr\red{Hello}$

There are 8 planets in our solar system.

1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune

Thanks