Periodic Trends

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Across
  1. 4. the amount of energy released when an electron is added
  2. 5. a charged atom
  3. 6. an atom's tendency to lose an electron and become a cation
  4. 7. negative charge subatomic particle
  5. 8. neutral charge subatomic particle
  6. 9. where the electrons are located, orbitals around the nucleus
  7. 10. a positively charged ion
  8. 11. how big an atom is
  9. 12. the amount of energy required to remove an electron
Down
  1. 1. how big an ion is
  2. 2. an electron in the outermost electron shell
  3. 3. positively charged subatomic particle
  4. 7. an atom's tendency to attract an electron
  5. 11. a negatively charged ion