Science

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Across
  1. 3. a silver white metal.
  2. 7. a salt of chloric acid.
  3. 8. an organic chemical with the formula of PO.
  4. 10. a metallic element that is used in fire works.
  5. 15. a soft,silver-white,metallic element that oxidizes rapidly in moist air.
  6. 16. a salt of nitrous acid.
  7. 17. used to make tools,implements,machinery etc.
Down
  1. 1. a bluish grayish element that has a symbol Z.
  2. 2. a sulfuric acid.
  3. 4. a diatomic anion with chemical formula OH.
  4. 5. a light,ductile element that burns with a dazzling white light.
  5. 6. a light silvery-gray metal
  6. 7. a compound containing chlorine.
  7. 8. a soft reactive metal
  8. 9. a low melting,ductile metallic element nearly approaching silver in color and luster.
  9. 11. a highly toxic element that is a liquid at room temperature. calcium/a silver-white divalent metal.
  10. 12. a colorless,odorless,gaseous element that has a symbol O.
  11. 13. a malleable,ductile,metallic element having a characteristic of a reddish-brown color.
  12. 14. a chemical symbol of Ni.