Chemistry revision

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Across
  1. 1. element with the atomic number 12
  2. 5. the column on the periodic table
  3. 10. a charged particle
  4. 11. the charge on an ion when an element looses electrons
  5. 12. the part of the atom where neutrons and protons are found
  6. 13. type of bonding between two non-metals
  7. 15. type of bonding in compounds such as Magnesium chloride
Down
  1. 2. dissolved in solution
  2. 3. the charge on an ion when an element gains electrons
  3. 4. a positive sub-atomic particle in the nucleus
  4. 6. the rows on the periodic table
  5. 7. negatively charged sub-atomic particle which orbits the nucleus
  6. 8. a pure substance with just one type of atom
  7. 9. type of bonding in elements such as iron
  8. 14. name given to a regular structure