Words about the Periodic Table

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Across
  1. 1. It is taken from the Latin word element.
  2. 3. They are located in the middle of the periodic Table.
  3. 5. Most metals have what type of boiling point.
  4. 6. Non-Metals _______ most of the properties of metals.
  5. 8. They have usually lower densities than metals.
  6. 10. It is the mass of the nucleus of an atom which includes the protons and neutrons.
  7. 13. It represents the number of protons in the nucleus of that elements atom.
  8. 16. Pure substance that cannot be broken down into any other substances.
  9. 17. It is made of two or more substances, elements, compounds, or both.
  10. 18. There are _______ metalloids in the Periodic table.
  11. 19. It comes in pure form from nature.
Down
  1. 2. There are currently _______ known elements.
  2. 4. Non-Metals have what type of boiling point.
  3. 7. It is another word for metals having good flow of electricity.
  4. 9. It shows shininess.
  5. 11. It means when two metals get attracted.
  6. 12. It is material that can be pulled out or drawn into long wire.
  7. 14. It is material that can be pounded into shapes.
  8. 15. It is made of two or more elements.
  9. 17. Most ________ that you find in the environment occurs as mixtures.