Chemical Formulas

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Across
  1. 5. composed of molecules
  2. 8. a group of atoms bonded together
  3. 9. particles that have negative charges
  4. 10. particles that have positive charges
Down
  1. 1. makes up periodic table
  2. 2. tiny numbers next to elements
  3. 3. large numbers located in front of elements
  4. 4. everything in the world is made out of it
  5. 6. table all elements are located here
  6. 7. particles that have neutral charges