Physical science Study Guide

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Across
  1. 9. neutral particle
  2. 11. a type if metals that are good conductors
  3. 15. a different version of an element
  4. 16. horizontal row in the periodic table
  5. 18. reactive to air
  6. 20. when an atom loses an electron
  7. 21. more neutrons than protons
  8. 22. the probability of particle being somewhere
Down
  1. 1. form all gasses
  2. 2. terrible conductors of electricity
  3. 3. when there is an extra or less particle
  4. 4. the unit of measurement in the atomic mass
  5. 5. negatively charged particle
  6. 6. rare earth metals
  7. 7. positively charged particle
  8. 8. vertical row in the periodic table
  9. 10. center of an atom
  10. 12. gasses found in the atmosphere
  11. 13. more electrons than protons
  12. 14. has no color
  13. 17. the number of protons in an atom
  14. 19. great conductors of electricity