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L-shell

[ el-shel ]
/ ˈɛlˌʃɛl /

noun Physics.

the second shell of electrons surrounding the nucleus of an atom and containing, when filled, eight electrons having principal quantum number 2.

QUIZZES

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Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
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Compare K-shell, M-shell, N-shell.

Origin of L-shell

First recorded in 1925–30

Words nearby L-shell

LSA, LSAT, LSD, LSE, L-shaped curve , L-shell, LSI, L sill, LSM, LSO, L.S.S.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020