Unit 6 Lesson 3

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Across
  1. 3. subatomic particles that have a neutral or no charge
  2. 6. a characteristic of a substance that can be observed
  3. 8. number the number of protons in the nucleus of an atom
  4. 10. the basic building block of matter
  5. 11. the region around a nucleus where you find electrons
  6. 12. subatomic particles that have a negative charge
Down
  1. 1. between the nonmetals and metals on the periodic table
  2. 2. appear to the right of the zigzag line and hydrogen
  3. 4. a pure substance that is made up of one one type of atom
  4. 5. an abbreviation that represents an element
  5. 7. subatomic particles that have a positive electric charge
  6. 9. appear to the left of the zigzag line on the periodic table