Matter: Property and Changes

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Across
  1. 2. the energy released when atoms form bonds.
  2. 7. 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.
  3. 10. the ability of a type of matter to burn easily.
  4. 11. the amount of space a substance takes up.
  5. 12. a process in which atoms of one or more substances rearrange to form one or more new substances.
  6. 13. the mass per unit volume of a substance.
  7. 14. a substance produced by a chemical reaction.
  8. 15. occurs when substances react with oxidizing agents, changing it to a new substance.
  9. 16. the amount of matter in an object.
  10. 17. more energy is released when the products form than is required to break the bonds in the reactants.
Down
  1. 1. a characteristic of matter that can be observed as it changes to a different type of matter.
  2. 3. a number placed in front of an element symbol or chemical formula in an equation.
  3. 4. a change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties.
  4. 5. a starting substance in a chemical reaction.
  5. 6. a characteristic of matter that can be observed or measured without changing the identity of the matter.
  6. 8. more energy is required to break the bonds of the reactants than is released when products form.
  7. 9. occurs when a substance reacts with another substance, changing it into a new substance.