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