Chemical Reactions

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Across
  1. 6. the amount of matter in an object
  2. 7. the basic building block of matter
  3. 8. a chemical substance that is formed by the reactants
  4. 10. two or more atoms held together by chemical bonds
  5. 11. a chemical _____ is a representation of the reactants and products of a reaction
  6. 12. _____ change occurs but does not cidentitye identify of the substance.
Down
  1. 1. _____ change a process during which a substance or substances change into one or more new substances.
  2. 2. a chemical substance that enters into a reaction
  3. 3. the amount of space that an object occupies
  4. 4. particular characteristics of a material
  5. 5. the stuff that makes up all living and nonliving objects
  6. 9. to mix into another substance at the scale of individual particles