Chemistry Crossword

1234567891011121314151617181920
Across
  1. 5. able to be dissolved
  2. 7. the horizontal rows of the periodic table
  3. 10. protons + neutrons
  4. 11. A + B = AB
  5. 13. phase change from solid to gas
  6. 14. AX + B = AB + X
  7. 17. 273K is the standard for ________
  8. 18. types of metals that make covalent bonds
  9. 19. unable to be dissolved
  10. 20. electrons are transferred between atoms, which makes cations and anions
Down
  1. 1. discovered by James Chadwick
  2. 2. the vertical columns of the periodic table
  3. 3. AB = A+B
  4. 4. discovered by JJ Thompson
  5. 6. simplest unit of an ionic compound
  6. 8. nitrogen, oxygen, and bromine are ____
  7. 9. how many sig figs is 0.239
  8. 12. a mixture containing particles that settle out
  9. 15. microscopic particles that are evenly dispersed
  10. 16. having 8 valence electrons