Define principal quantum number and explain with relevant example?

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Barbara Burke

23 January, 19:24

Define principal quantum number and explain with relevant example?

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Alicia Holt · Answer 1

The principal quantum number is the quantum number denoted by n and which indirectly describes the size of the electron orbital. It is always assigned an integer value (e. g., n = 1, 2, 3 ...), but its value may never be 0. An orbital for which n = 2 is larger, for example, than an orbital for which n = 1.