Vocab from Unit 5 PIB-Chemistry

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Across
  1. 3. When two atoms bind together that are metal and non-metal.
  2. 5. A reaction where the elements are replacing each other like AB+CD=AD+CB
  3. 7. Large number in front of an element in an equation is used to make an equation balanced.
  4. 9. A combination of two or more elements.
  5. 12. The small number at the bottom of an element in an equation that tells us how many of the element are present.
  6. 13. Combining all the elements as the product of an equation like A+B=AB.
  7. 14. The elements and molecules that create a new substance.
Down
  1. 1. A reaction where the products are always CO2+H2O.
  2. 2. A reaction where the elements are replacing each other like AB+C=AC+B.
  3. 4. Any atom or group that has a positive or negative charge.
  4. 6. The creation of different configurations of elements.
  5. 8. When two atoms bind together that are both non-metals.
  6. 10. A reaction that takes a complex compound and breaks it down into smaller/simpler substances.
  7. 11. An element that appears in pairs.