Chemical Reactions

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  1. 3. In a chemical reaction, these are the chemicals that you end up with.
  2. 5. Substances made up of a group of two or more atoms.
  3. 9. A chemical reaction in which heat is a product. This reaction will feel hot to the surroundings.
  4. 10. In a chemical reaction, these are the chemicals that you begin with.
  5. 11. A chemical reaction in which heat is a reactant. This reaction will feel cold to the surroundings.
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  1. 1. This happens when the atoms of two or more chemicals break apart, rearrange, and form new substances.
  2. 2. These are descriptions of a substance when making scientific observations.
  3. 4. An atom that is usually represented by the color red.
  4. 6. An atom found in the chemical "methane"
  5. 7. The smallest unit of matter. Every single thing in the universe is made of this.
  6. 8. An atom that makes up diamonds.