principal quantum number

principal quantum number
noun
: an integer associated with the energy of an atomic electron in any one of its possible stationary states and including both the azimuthal and the radial quantum number — called also total quantum number

* * *

Physics.
the nonnegative, integral quantum number that defines the stationary orbits in the Bohr model of the atom. Also called total quantum number.
[1920-25]

Useful english dictionary. 2012.

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