Elements and Atoms

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Across
  1. 6. particle that has no charge
  2. 7. particle that has a negative charge
  3. 8. horizontal row of elements in the periodic table
  4. 9. place in an electron cloud where an electron is most likely to be found
  5. 12. able to be hammered into different shapes
  6. 13. total mass of the protons and neutrons in an atom measured in amu
  7. 14. to be drawn into thin wires
  8. 16. vertical column of elements in the periodic table
  9. 17. shortened way of writing the name of an element
  10. 20. make up Group 17
Down
  1. 1. make up Group 18
  2. 2. particle that has a positive charge
  3. 3. atom of an element with the same number of protons as other atoms, different number of neutrons
  4. 4. number of protons in the nucleus of an atom
  5. 5. repeating pattern
  6. 7. cannot be chemically broken down into smaller substances
  7. 10. element that lacks most of the properties of a metal
  8. 11. smallest part of an element that can be identified as that element
  9. 12. numbers of protons and neutrons in the nucleus of an atom
  10. 15. center or core of an atom
  11. 18. element that has the property of shiny luster, ductility, & malleability
  12. 19. way a material reflects light