Question

Define principal quantum number

Answer 1

Answer:

the principal quantum number is represented as 'n' which denotes.. it determines the size of an orbital.

and varies frm 1-7.

Answer 2

❤ $\sf\underline\green{ Principal ~ quantum ~ number }$ :- The principal quantum number 'n' corresponds to the principal energy level of the electrons.

• It has integral positive values excluding zero.
• Principal quantum number is denoted with 'n'