Answers

2015-07-15T09:09:12+08:00
Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components.A chemical substance is composed of one type of atom or molecule.A mixture is composed of different types of atoms or molecules that are not chemically bonded.Similarity ... both can beĀ  present in matter.

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