Kaylee John

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Across
  1. 3. A positively charged atom
  2. 5. A negatively charged atom
  3. 6. The metric system is based off of what number
  4. 7. Atomic number 11 on the periodic table
Down
  1. 1. Atomic number 1 on the periodic table
  2. 2. Atomic number 6 on the periodic table
  3. 4. A neutral charge