Chapter 2 Classifying Matter (p
2.1.1 notes Name/Date: _____ Chapter 2 Classifying Matter (p. 38) Elements-the atoms in a sample of matter are alike; can’t be broken down into simpler substances (i.e. Carbon or Hydrogen or Helium) ... They are pure substances that form when two or more different atoms are combined. b. They are mixtures that can be separated only by physical ... ................
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