Across
- 1. made up of atoms and molecules it has no shape or volume
- 4. one of more substances that react together
- 6. solid formed out of a solution
- 7. chemical substance made up of two or more identical elements
- 9. reaction of an acid and a base
- 11. happens when two ionic compounds are exchanged and then make two new compounds
- 15. two or more products being formed in a reactant
- 17. a fluid that can make the shape of its container but isn't firm like a solid
- 18. numbers that come after a symbol and below
- 19. substance to the left arrow
- 20. measure of the chemical reactions efficiency
Down
- 2. chemical reaction where one element replaces another element in a compound
- 3. something that is firm in a shape
- 5. representation with symbols of a chemical reaction
- 8. two atoms chemically bonded
- 10. substance reacts with oxygen and transfers energy around
- 12. reactions that occur when two or more substances combine to form
- 13. a solution where the solvent is a liquid
- 14. number placed in front of a chemical symbol
- 16. the substance at the end of a chemical reaction