Unit 4 Atoms

1234567891011
Across
  1. 2. A property of matter that is either positive or negative
  2. 6. a chart of elements and their properties
  3. 7. the number of neutron and protons in the nucleus
  4. 8. Sub-atomic particle that has a positive charge and is found in the nucleus
  5. 9. Smallest particle of an element
  6. 10. center of an atom
  7. 11. a column on the periodic table
Down
  1. 1. a pure substance made on only one kind of atom
  2. 3. the number of protons in the nucleus
  3. 4. a row on the periodic table
  4. 5. Sub-atomic particle that has a negative charge
  5. 10. sub-atomic particle that has no charge and is found in the nucleus