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Biology 15 Online
OpenStudy (kitten_is_back):

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 c

OpenStudy (anonymous):

I'd say go with A but i'm not sure

OpenStudy (kitten_is_back):

a i'll try it

OpenStudy (anonymous):

okay

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