Across
- 1. substances that participate In chemical reaction
- 3. smallest part of a substance
- 4. association of atoms
- 6. change of DNA
- 7. movement of molecules
- 9. liquid to solution
- 10. aqueous solution
- 13. organic compounds
- 14. substance after biological process occurs
- 15. scientific concept
- 16. change of a physical property
- 21. data of how hot or cold it is
- 23. sugar molecules
- 24. proteins
- 26. atoms bonded together
- 27. molecules combined to form protein
Down
- 2. substance made of two or more elements
- 3. attraction of molecules of one kind
- 5. molecules that regulate chemical reactions
- 8. attraction of other molecules
- 11. a chemical that gives off hydrogen ions
- 12. speeds up chemical reaction
- 15. chemical substance
- 17. sweet substance
- 18. quantitative property
- 19. uneven distribution of electron density
- 20. large class of chemical compounds
- 22. anything that takes up space
- 25. compounds of nitrogenous bases