Across
- 2. is used to describe the chemicals involve in the chemical reaction.
- 4. is chemical reactions that occurs naturally.
- 7. substances react instantly with other chemicals.
- 8. reactions where chemicals don't react with each other.
- 9. substances are very dangerous and acidic.
- 11. compounds does not have carbon atoms.
- 15. is the total of the atomic weights of all the elements in a compound.
Down
- 1. taste comes from alkaline substance.
- 3. chemical reaction that absorb heat.
- 5. reactions where chemicals react strongly with each other.
- 6. compounds contains carbon atoms.
- 10. chemical reaction that release heat.
- 12. is substance that are not acidic or basic.
- 13. gas is a stable chemical that does not produce chemical reaction.
- 14. taste comes from acidic substance.