Across
- 2. a mixture containing small, undissolved particles that do not settle out
- 7. a change in which one or more substances combine or break apart to form new substances
- 10. a mixture in which particles can be seen and easily separated by settling or filtration
- 12. a measure of how much solute can dissolve in a given solvent at a given temperature
- 13. created or manufactured by humans; not found occurring in nature
- 15. anything naturally occurring in the environment that humans use
- 16. two or more substances that are together in the same place but their atoms are not chemically bonded
- 18. a change that alters the form or appearance of a material but does not make the material into another substance
Down
- 1. the principle that the total amount of matter is neither created nor destroyed during any chemical or physical change
- 3. a system in which no matter is allowed to enter or leave
- 4. a substance formed as a result of a chemical reaction
- 5. a reaction that absorbs energy
- 6. a mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance is dissolved in another
- 8. a reaction that releases energy, usually in the form of heat
- 9. a system in which matter can enter or escape to the surroundings
- 11. the part of a solution that is dissolved by a solvent
- 14. a long chain of molecules made up of repeating units
- 17. a substance that enters into a chemical reaction
- 19. the part of a solution that is usually present in the largest amount and dissolves a solute