Periodic Table Trends

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Across
  1. 1. neutral charged particle
  2. 4. columns on a periodic table
  3. 8. the ability to attract electrons
  4. 10. The weight of protons and neutrons combined is its atomic ____
  5. 12. electrons located on outermost shell are called
  6. 13. Same element, different number of neutrons
Down
  1. 2. The size of an element is founds using the atomic _____
  2. 3. Atomic _______ is the amount of protons in an element
  3. 5. positively charged particle
  4. 6. rows on a periodic table
  5. 7. good insulators
  6. 9. negatively charged particle
  7. 11. good conductors
  8. 13. Same element, different charge