Chemistry 2

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Across
  1. 2. vertical column of elements in the periodic table
  2. 4. usually found in pools
  3. 6. simple substances that cannot be broken down into simpler substances
  4. 7. neutral
  5. 8. six elements that make up the last group in the periodic table of the elements
  6. 9. the total mass of the protons and neutrons
  7. 10. repeating pattern
  8. 13. used to blow up balloons
  9. 15. the number of protons found in the nucleus of an atom
  10. 17. positively charged
  11. 20. elements that have the properties of luster, ductility, and malleability
Down
  1. 1. able to be drawn into thin wires
  2. 3. able to be hammered into different shapes
  3. 5. shorthand way of writing the names of the elements
  4. 11. orbit around the nucleus and have negative charge
  5. 12. horizontal row of elements in the periodic table
  6. 14. shine
  7. 16. elements that have none of the properties of metals
  8. 18. we breath this in everyday
  9. 19. to light up lights