Chemistry Vocab. Crossword

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Across
  1. 8. the mass of protons and neutrons added together(found in the periodic table)
  2. 10. representation of a chemical reaction using symbols of atoms and the quantity
  3. 12. being able to bend without breaking(characteristic of metals)
  4. 14. an element that does not conduct electricity, is brittle, dull, and has other characteristics among these
  5. 16. an element that conducts electricity, is malleable, has luster, and has other characteristics among these
  6. 18. a chart of all the elements and their properties
  7. 20. a positively charged particle found in the nucleus of an atom
Down
  1. 1. elements that share properties of both metals and nonmetals
  2. 2. the ability to conduct electricity
  3. 3. representation of molecules using symbols of atoms and the quantity
  4. 4. something smaller than an atom(proton, electron, neutron, etc.)
  5. 5. molecules that have the same number and type of atoms, but arranged differently
  6. 6. the number of electrons in the last shell(columns on the periodic table are sorted by this)
  7. 7. breaking and crumbling very easily(characteristic of nonmetals)
  8. 9. the number of protons in an atom(found in the periodic table)
  9. 11. a form of an element that has a different amount of neutrons
  10. 13. shiny(characteristic of metals)
  11. 15. a particle with no charge found in the nucleus of an atom
  12. 17. a negatively charged particle found outside of the nucleus in an atom
  13. 19. an atom that has given or taken an electron