Principal quantum number

[Dwade06]

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Is the principal quantum number just row number in the periodic table?

 

[Cawolf]

Yes.

 

[liz10]

Yes, the principle quantum number is designated by n, which is always positive and represents the row. As the row increases, the shells gets larger and so does its distance from the nucleus.

 

[chemtopper]

Is the principal quantum number just row number in the periodic table?

yes it is the period number and tells the shell no,energy ,size and distance of the electron from the nucleus.