Chemistry Crossword

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Across
  1. 2. The basic unit of matter.
  2. 5. organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number.
  3. 7. the substance that is used to dissolve
  4. 8. the substance that dissolves
  5. 9. A chemical combination of two or more atoms joined together by chemical bonds.
  6. 10. is a mixture in which the composition is uniform throughout the mixture.
  7. 11. is a mixture where throughout the solution the composition is not uniform.
  8. 13. is made when two or more substances are combined, but they are not combined chemically.
  9. 15. members of a family of an element that all have the same number of protons but different numbers of neutrons.
Down
  1. 1. A characteristic of a substance that can be measured.
  2. 3. Everything that takes up space.
  3. 4. is used to separate DNA, RNA or protein molecules based on their size and electrical charge
  4. 6. any atom or group of atoms that bears one or more positive or negative electrical charges.
  5. 12. is a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction.
  6. 14. A state of matter with no fixed shape and no fixed volume