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7.0. Chem cmpds intro.pdf7.1. Putting atoms together.pdf7.2. Race rust.pdf7.3. How atoms combine.pdf7.4. Making molec models.pdf7.5. Whats gas.pdf7.6. Break molec apart hydrogen peroxide.pdf7.7. Whats rotten not.pdf7.8. DDT.pdfCh7 rev.pdfReport abuse