Periodic Table

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Across
  1. 4. columns on a periodic table
  2. 7. the ability to attract electrons
  3. 10. good conductors
Down
  1. 1. electrons located on outermost shell are called
  2. 2. Atomic ____ is the amount of protons in an element
  3. 3. good insulators
  4. 5. rows on a periodic table
  5. 6. letter(s) used to identify the element
  6. 8. what the element is called
  7. 9. Atomic ____ is what the size is based on
  8. 10. Atomic ___ is the weight of protons and neutrons combined