Unit 1 vocab

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