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2.56: Noble Gases

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

noble gas

noble gas

Nonmetal in group 18 of the periodic table that has eight valence electrons (or two in the case of helium) and is unreactive.

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Difficulty Level:

At Grade

Grades:

7 , 8

Date Created:

Oct 31, 2012

Last Modified:

Jan 30, 2016
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SCI.PSC.123.24.L.1

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