Chemistry

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Across
  1. 1. Type of bond that formed when charged atoms combine
  2. 5. When substances change into another form they undergo a chemical
  3. 6. Substances that come out of a chemical reaction
  4. 9. Every stoichiometry problem must start with a ____ equation
  5. 10. A count of particles
  6. 11. Basic building block of matter
Down
  1. 2. Expected ionic charge of a fluorine ion, ______ one
  2. 3. An atom that has gained or lost and electron
  3. 4. Substances that go into a chemical reaction
  4. 7. Number of valance electrons in a chlorine atom
  5. 8. Only one type of atom