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02-03-2021
Chemistry

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Which answer choice describes all nonmetals? A. All of the elements of Period 2 in green boxes B. Hydrogen and all of the other elements in orange boxes C. All of the elements of Group 18 in orange boxes D. Hydrogen and all of the elements in blue boxes

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doyouneedhelp doyouneedhelp

02-03-2021

Hello,

An answer is the group of reactive nonmetals and Noble gases.

I am not sure what the colored boxes mean, referring to my periodic table. However, the nonmetals are Hydrogen, Carbon, Nitrogen, etc., including the Noble gases.

Green and purple below, then hydrogen of course.

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