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Physics 8 Online
OpenStudy (anonymous):

Which of these are families of elements? A.metals and noble gases B.shells and nonmetals C.properties and rare earth elements D.metalloids and atoms

OpenStudy (anonymous):

Need help really bad

OpenStudy (michele_laino):

I think metals and noble gases are chemical elements

OpenStudy (anonymous):

Metal s and Noble Gases. The other three answers has at least one family of elements, but the second half of each is not.

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