Lesson 1.4: Law of Conservation of Mass

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Across
  1. 1. the amount of matter in an object.
  2. 4. a description of a reaction using element symbols and chemical formulas.
  3. 5. the substances resulting from a chemical reaction.
  4. 8. a chart of the elements arranged into rows and columns according to their physical and chemical properties.
  5. 9. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.
Down
  1. 2. a small particle that is the building block of matter.
  2. 3. a process in which atoms of one or more substances rearrange to form one or more new substances.
  3. 6. the starting materials in a chemical reaction.
  4. 7. a system where matter cannot enter or leave but energy can be exchanged.