Chemistry Vocab Strategy

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Across
  1. 1. Sum of the protons and neutrons in the nucleus of an atom
  2. 6. Smallest particle of a substance that can exist by itself
  3. 8. atom that has gained or lost one or more electrons
  4. 9. Reaction in which the nuclei of one atom combines with the nuclei of another to form a larger nuclei
  5. 11. A science that deals with the structure and properties
  6. 12. Numerical measurements rather than its words
  7. 13. Data in words rather than in numbers
  8. 16. The quality of being exact
  9. 17. Atoms with same number of protons but not the same number of neutrons
  10. 19. Mass per unit of volume
  11. 20. Experimental value minus the accepted value, divided by the accepted value and then multiplied by 100
Down
  1. 2. Method that expresses the number multiplied by 10 and the appropriate power
  2. 3. System of electrons surrounding the nucleus of an atom
  3. 4. A solid that is produced by a chemical reaction in solution
  4. 5. Group 18 in the periodic table with a full outer shell
  5. 7. Number of protons in the nucleus in an atom
  6. 10. a number that express a magnitude to a specified degree of accuracy
  7. 14. The ability to work without mistakes
  8. 15. The heat required to raise the temperature of the mass of a given substance by given amount
  9. 18. Element with the properties of both metals and nonmetals