Science 24 - Unit A: Chapter 3

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Across
  1. 3. ______ Name: The official name of a substance based on its structure or composition
  2. 5. Law of _______ of Mass: Matter cannot be created or destroyed; total mass remains constant.
  3. 6. Chemical _____: A representation of a compound using symbols and numbers (e.g., H₂O for water).
  4. 7. A number in front of a chemical formula indicating how many molecules are involved.
  5. 8. _______ Name: The everyday name for a substance, often simpler than its chemical name.
Down
  1. 1. ________ Reaction: A reaction where a compound breaks down into simpler substances.
  2. 2. _______ Chemical Reaction: A reaction where the number of atoms of each element is the same on both sides.
  3. 4. ________ Reaction: The process of combining substances to create a new compound. (hint: Also known as composition)