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Dictionary


N-shell



Pronunciation: (en'shel"), [key]
n. Physics.
the fourth shell of electrons surrounding the nucleus of an atom and containing, when filled, 32 electrons having principal quantum number 4. Cf. K-shell, L-shell, M-shell.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

NSFN.S.P.C.A

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