Science Crosswod

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Across
  1. 2. Chlorine, Bromine and Iodine are in this section of the periodic table
  2. 5. This substances chemical symbol comes from a Roman word
  3. 9. Section of the periodic table
  4. 10. Another word for markings
  5. 11. A group of atoms bonded together
  6. 13. A metal found in thermometers
  7. 14. Has a positive electric charge
  8. 15. A substance used in science
  9. 17. A small piece of matter eg dust
  10. 19. Same mass as a proton without an electric charge
Down
  1. 1. Found in coal
  2. 3. Opposite to positive
  3. 4. Solid and shiny substance eg Silver
  4. 6. Everything around us is made of these
  5. 7. Found in all atoms, it has a negative charge
  6. 8. A table which is made up of chemical symbols of metals and non metals
  7. 10. A chemical when heated turns yellow and gummy
  8. 12. Made up of 2 or more elements that cannot be separated
  9. 16. A gas made by the human body
  10. 18. A shiny pure metal, with a chemical symbol that starts with an F