The answer is B
Here:
nothing at all, because the s orbital is a spherosophical orbital, while the principal energy level isn't.
n
The quantum number relating to the size and energy of an orbital
The next highest energy electron orbital after 3p is the 4s orbital, after which comes the 3d and then 4p orbitals.
Electron in s-orbital is closer to nucleus than electron in p-orbital and electron in p-orbital is closer to nucleus than electron in d-orbital and so on. So,more energy is requried to remove electron from s-orbital than electron in p-orbital in spite of both having same principal quantum number. Similarly, p orbital will require more energy than d-orbital. this is called penetrating effect. it decreases in order s>p>d>f>... Note that Orbital should have same "n"
nothing at all, because the s orbital is a spherosophical orbital, while the principal energy level isn't.
n
The quantum number relating to the size and energy of an orbital
1
The principal quantum number describes the size of the orbital. Because they have opposite electrical charges, electrons MORE.
The orbital will be described with a number, followed by a letter, which may have a suffix. The number is the principal energy level. For example 2p, principal energy level 2; 5d principal energy level 5; 1s principal energy level 1.
Its Principal quantum no is 2
The principal energy level is three, so there are three sublevels: 3s, 3p, and 3d. S,P and D
1s orbital 3P, 5d, and 7f in discovered elements
2. The S sub-shell has one orbital and an orbital can hold a max of 2 electrons.
S sub-shell has only one orbital. So, the 2nd energy level has only one s orbital.
The next highest energy electron orbital after 3p is the 4s orbital, after which comes the 3d and then 4p orbitals.