Question

write a note on principal quantum number​

Answer 1

Answer:

The principal quantum number n represents the relative overall energy of each orbital. The energy level of each orbital increases as its distance from the nucleus increases. The sets of orbitals with the same n value are often referred to as an electron shell.

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Answer 2

Explanation:

In quantum mechanics, the principal quantum number is one of four quantum numbers assigned to all electrons in an atom to describe that electron's state. Its values are natural numbers making it a discrete variable.