chemistry

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Across
  1. 1. has a positive charge
  2. 5. can hold 18 electrons
  3. 9. where electrons are located
  4. 10. can only hold 8 electrons
Down
  1. 2. has a neutral charge
  2. 3. 1 type of atom,know as a pure substance
  3. 4. can only hold 2 electrons
  4. 6. has a negitive charge
  5. 7. smallest part of an element
  6. 8. in the center of a atom