Chemistry

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Across
  1. 3. what ratio of sodium to chloride ions
  2. 5. share electrons
  3. 7. positive charge
  4. 9. formula for a chemical compound
Down
  1. 1. bonds between nonmetals and metals
  2. 2. creates a new substance
  3. 4. negative charge
  4. 6. how an atom wants a complete valence electron
  5. 8. has three particles: protons, neutrons, and electrons
  6. 10. group of atoms held together with a chemical compound