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einsteindude einsteindude
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Posts: 5058
9 years ago
Roughly how many different chemical compounds are there?       
A) 20
B) 4
C) many more than 500
D) 500
E) 100
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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9 years ago
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