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Dictionary


M-shell



Pronunciation: (em'shel"), [key]
n. Physics.
the third shell of electrons surrounding the nucleus of an atom and containing, when filled, 18 electrons having principal quantum number three. Cf. K-shell, L-shell, N-shell.

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

M.S.H.EM.S.Hort

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