Periodic Table

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Across
  1. 2. or more elements make a _________
  2. 4. smallest unit of a compound that has all of the properties of the compound
  3. 5. atoms having the same number of protons but a different number of neutrons
  4. 6. vertical column (up and down) on the periodic table.
  5. 7. an element in the periodic table
  6. 11. atom going under a chemical change with another atom
  7. 14. charged particle of an atom
  8. 15. Have characteristics of non-metals and metals
  9. 16. make up the periodic table
  10. 17. Mass/The mass of the nucleus of an atom including protons and neutrons
  11. 18. A horizontal row (left to right) in the periodic table.
  12. 19. Material that can be pulled out into long wire
  13. 20. visual property of some metals in the periodic table
Down
  1. 1. word for metalloids
  2. 3. charged particle of an atom
  3. 8. Material that can be pounded into shapes
  4. 9. charged particle of an atom
  5. 10. of two or more substance elements, compounds, or both
  6. 12. The elements that lack most of the properties of metals
  7. 13. conductors because they transmit heat and electricity easily