Chemistry Crossword

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Across
  1. 1. properties The ability of a substance to combine with or change into one or more.
  2. 3. Radius Measured as half the distance between the nuclei of atoms of an element.
  3. 8. Positively charged ion.
  4. 10. Change A change that alerts a substance without changing its composition.
  5. 13. A small amount of solute per solvent quantity.
  6. 14. The ratio of solute to solvent in a solution.
  7. 16. scale An arbitrary measuring system that selects one thing to be the standard.
  8. 17. mass The mass of an atom given in amu.
  9. 18. properties A characteristic that can be absorbed or measured without changing the sample's composition.
  10. 20. A neutral particle having equal numbers of p+ and e-.
Down
  1. 2. Change A change in the matter in which new materials are formed.
  2. 4. The study of how heat is converted to and from other forms of energy and how.
  3. 5. A substance that speeds up a chemical reaction.
  4. 6. The measure of the average kinetic energy of the particles in a sample of matter.
  5. 7. A lot of solutes per solvent quantity.
  6. 9. Error The ratio of the error to the actual value multiplied by 100.
  7. 11. The total amount of energy movement.
  8. 12. Biological catalysts speed up the rate of reactions in the body.
  9. 15. An atom or group of atoms that have either gained or lost e- so they are no longer neutral.
  10. 19. Solution Solution in which the solvent is water.