Question

what is principal guantum number​

Answer 1

In quantum mechanics, the principal quantum number (symbolized n) is one of four quantum numbers which are assigned to all electrons in an atom to describe that electron's state. As a discrete variable, the principal quantum number is always an integer.

Answer 2

Answer:

Principal quantum number tell us or indicates energy levels and which principal electrons shells the electrons should occupy....

It determines stationary orbits in the Bohr's model ....

It is usually denoted by n and always an integer....

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