A Random Find :)

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Across
  1. 3. a substance that takes part in and undergoes change during a reaction
  2. 5. a polygon with at least one interior angle greater than 180°.
  3. 6. the smallest particle of a chemical element that can exist.
  4. 7. a chemical reaction that is accompanied by the absorption of heat,or an organism that generates heat.
  5. 8. the willingness to tolerate the existence of opinions or behavior that you dislikes or disagree with.
Down
  1. 1. hopefulness and confidence
  2. 2. When two Angles add up to 180 degrees.
  3. 4. accompanied by the release of heat.
  4. 5. not having any interior angles greater than 180°.
  5. 9. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.