Physical Science Halloween Review

123456789101112131415161718
Across
  1. 5. 2 or more pure substances physically combined
  2. 6. base unit for length
  3. 7. a bond that shares electrons
  4. 8. 0.05 kg converted to grams (written out)
  5. 10. any atom that has gained or lost electrons
  6. 12. (2 words no space) not a mixture
  7. 13. two or more different elements combined in a chemical bond
  8. 16. When you can see the path of light through a substance it passes the ___________ Test
  9. 18. a mixture that is different throughout
Down
  1. 1. the small number in the lower right of the elemental symbol that tells how many atoms of that type there are
  2. 2. a mixture that is the same throughout
  3. 3. one of the pure substances that usually cannot be broken down further
  4. 4. the smallest basic unit of matter
  5. 9. a bond that transfers electrons
  6. 11. unit of time
  7. 14. the result of having a full set of valence electrons (8)
  8. 15. where you should go if you get a chemical in your eyes
  9. 17. metals tend to have what type of charge