Science Perfect 10 11/13/19

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Across
  1. 2. A group of atoms bonded together
  2. 7. A homogeneous mixture of two or more substances
  3. 9. A mixture in which substances are evenly distributed throughout the mixture
  4. 10. A pure substance made of only one kind of atom
  5. 12. A combination of two or more substances that are not chemically combined
Down
  1. 1. A substance made up of atoms of two or more different elements joined by chemical bonds
  2. 3. A combination of chemical symbols and numbers to represent a substance
  3. 4. A mixture containing small, undissolved particles that do not settle out.
  4. 5. A one or two letter representation of an element
  5. 6. A mixture in which different materials can be distinguished easily
  6. 7. A mixture in which particles can be seen and easily separated by settling or filtration
  7. 8. A single kind of matter that is pure and has a specific set of properties.
  8. 11. Basic unit of matter