Tools of Chemistry

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Across
  1. 2. Used in some batteries
  2. 4. A subatomic particle with a positive charge.
  3. 6. The centre part on an atom.
  4. 11. A mixture of ions compounds, and atoms.
  5. 12. A subatomic particle with a negative charge.
  6. 14. An charged atom.
  7. 15. Is in salt.
  8. 17. A verticle column in the periodic table
  9. 18. Rows in the periodic table.
Down
  1. 1. The number that shows how many protons are in an atom.
  2. 3. This type of element can conduct heat and electricity.
  3. 5. A subatomic particle with no charge.
  4. 7. A space around the nucleus in an atom.
  5. 8. A essential part of respiration.
  6. 9. Put in balloons.
  7. 10. The tenth element in the periodic table. And is a noble gas.
  8. 11. Two or more atoms chemically bonded together.
  9. 13. Put in pools to keep it clean
  10. 16. The symbol for this element is 'I'