Into to Metals

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Across
  1. 5. properties of non metals and metals
  2. 7. metals in group 1
  3. 9. negative charge
  4. 10. Rows
  5. 14. electrons on the last energy level
  6. 16. average mass of atoms
  7. 17. no charge
  8. 20. an atom, negative or positive
Down
  1. 1. Columns
  2. 2. measurement of matter
  3. 3. elements that are solid and room temperature
  4. 4. positive charge
  5. 6. metals in group 2
  6. 8. Table of Elements- a table of all known elements
  7. 11. mass per unit of volume
  8. 12. A pure substance
  9. 13. positive charge
  10. 15. metallic and reflects light
  11. 18. negative charge
  12. 19. smallest unit of an element