Lesson 1 & 2 VOCABULARY REVIEW

1234567891011121314151617
Across
  1. 3. positively charged particle
  2. 6. negatively charged particle
  3. 9. substances that are blended but not chemically bonded
  4. 12. matter that is always the same
  5. 13. atoms held together by chemical bonds
  6. 14. region surrounding an atom's nucleus
  7. 16. region at the center of an atom
  8. 17. atom that has a charge because it has gained or lost electrons
Down
  1. 1. a mixture with substances that are evenly mixed
  2. 2. the number of protons in an element
  3. 4. building block of matter
  4. 5. two or more elements that are chemically joined
  5. 7. substance made up of only one kind of atom
  6. 8. a mixture with substances that are not evenly mixed
  7. 10. anything that has mass and takes up space
  8. 11. having the same number of protons, but different neutrons
  9. 15. an uncharged particle