Gavin Raby ch. 9

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Across
  1. 4. the things electrons are located on
  2. 5. designed the periodic table
  3. 7. first element on the periodic table
  4. 8. atom that carries an electrical charge
  5. 9. negatively charged particle
Down
  1. 1. positively charged particle
  2. 2. common atom model
  3. 3. forms of the same element that have the same amount of protons, but different number of neutrons
  4. 6. particle that has no charge