Chemistry

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Across
  1. 6. gases known as inert gases
  2. 7. metal most useful and colorful
  3. 8. vertical columns in the periodic table
  4. 10. charge of -1, have colored
  5. 12. metals charge of +1, typical metallic properties
  6. 13. Which exploded with water the most
  7. 14. Latin word in Sodium
  8. 15. The metalloids element in group 12
Down
  1. 1. The most relative elements in group 1
  2. 2. earths similar with group 1
  3. 3. who arranged 60 known elements put in 7 rows
  4. 4. Group 5, period 5 symbol
  5. 5. the temporary element
  6. 9. Horizontal rows in the periodic table
  7. 11. Positive ions