Science-Chemistry

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Across
  1. 4. a small gas burner used as lab equipment
  2. 6. the smallest particle of an element
  3. 8. a small portion of matter
  4. 11. anything that occupies space and has mass
  5. 12. abbreviations for chemical elements
  6. 14. a table of chemical elements
  7. 15. a small glass tube used for experiments in science
Down
  1. 1. the amount of space occupied by a substance
  2. 2. substance containing only one type of atom
  3. 3. substance containing two or more different elements
  4. 5. a scientific procedure to test something
  5. 7. the number of protons in the nucleus of an atom
  6. 9. a row of elements in the periodic table
  7. 10. a column of elements in the periodic table
  8. 11. number of protons and neutrons in an atomic nucleus
  9. 13. two or more atoms chemically joined