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Physics 20 Online
OpenStudy (anonymous):

Every known substance is made of one or more of the 112 elements found on the periodic table. True or False

OpenStudy (anonymous):

What you think and why? (I think a straight answer for your question is not ideal)

OpenStudy (anonymous):

I really need to get and OED, but I found this definition for the word substance, from Google: "A particular kind of matter with uniform properties." I think the next question is: Is there any subatomic matter with uniform properties? I speculate the answer is YES

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