Across
- 3. process that leads to the chemical transformation
- 5. thermal energy transferred between systems
- 7. quantitative property that is transferred to a body or to a physical system
- 8. thermodynamic process or reaction that releases energy
- 10. chemical substance that cannot be broken down into other substances
- 12. a substance that increases the rate of a chemical reaction
- 14. species formed from chemical reactions.
- 15. the amount of space the object takes up
- 17. result from the electrostatic force between oppositely charged ions as in ionic bonds
- 18. basic particles of the chemical elements
Down
- 1. physical substance in general
- 2. a group of atoms bonded together
- 4. study of the properties and behavior of matter
- 6. physical quantity that quantitatively expresses the attribute of hotness or coldness.
- 9. changes affecting the form of a chemical substance
- 11. material made up of two or more different chemical substances
- 13. chemical substance composed of many identical molecules
- 16. intrinsic property of a body