Physical Science Vocab

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Across
  1. 5. elements that emit radiation
  2. 7. a good conductor of electricity
  3. 8. a column on the periodic table
  4. 10. A neutral particle
  5. 11. ability to be pulled into thin wires
  6. 13. a chart of the elements in rows and columns
  7. 16. describes the ability of metal to reflect light
  8. 17. an element with properties of both metal and nonmetals
  9. 19. a particle with one negative charge
  10. 20. an element in group 17 on the periodic table
Down
  1. 1. a particle with one positive charge
  2. 2. ability of a substance to be hammered or rolled into sheets
  3. 3. where most of the atoms mass and positve charge is in
  4. 4. conducts electricity at high levels
  5. 6. the smallest piece of an element
  6. 9. rows on the periodic table
  7. 12. a group of atoms held together
  8. 14. an atom that is no longer neutral
  9. 15. atoms amounts same element that have different amount of neutrons.
  10. 18. elements that have no metallic properties