Periodic Table

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Across
  1. 5. a substance made up of only one type of atom
  2. 6. two or more different substances that are not joined to each other.
  3. 7. symbol for potassium
  4. 9. a mixture of different metals.
  5. 11. a liquid metal at room temperature
  6. 12. chemical name for table salt
  7. 13. used in colourful bright neon lights
  8. 14. magnesium
  9. 15. symbol for a nonmetal that is liquid at room temperature
  10. 16. symbol for iron
  11. 17. a shiny yellow expensive element
Down
  1. 1. compound with one carbon and two oxygen
  2. 2. symbols and numbers to show the number and type of atoms in a chemical
  3. 3. soft shiny metals that react strongly with water
  4. 4. manganese
  5. 6. any shiny element that conducts electricity
  6. 8. a nonmetal that is on the left side of the periodic table
  7. 10. a chemical made from two or more different elements chemically bonded together
  8. 12. a yellow brittle element that smells like rotten egg