Across
- 1. Substance found listed on the left-hand side of a chemical equation; present before a chemical reaction and takes part in the reaction.
- 3. The smallest particle of an element; the building block of matter.
- 4. An attraction between atoms; the result of sharing or transferring valence electrons.
- 6. A change in a substance that results in one or more new substances being formed; these have different physical and chemical properties than those of the original substance.
- 7. Process by which particles in a solution are evenly distributed throughout the solvent by "Brownian Motion."
- 9. The process occurring when a solute is broken into smaller pieces by and distributed within a solvent, which is the second substance.
- 10. A substance that produces Hydroxide ions (OH-).
- 13. Used for energy storage and in cell membranes of living things; A class of nonpolar organic compounds insoluble in water.
- 14. Substance found listed on the right-hand side of a chemical equation; it is the substance formed during a chemical reaction.
- 15. The tendency of energy to disperse; thus, it is less available to do its work.
- 16. A substance change that does not change the identity of the substance.
- 21. Measurement of the average speed of particles moving within a substance.
- 23. Organic compound comprised of elements Carbon, Hydrogen and Oxygen.
- 24. A naturally occurring catalyst; usually a protein.
- 26. The smallest particle of a covalently bonded compound.
- 27. A class of organic compounds that serve as the building blocks of proteins.
Down
- 2. A pure substance made of two or more elements.
- 3. The attraction between particles in one substance for particles in a different substance.
- 5. A substance that binds to an enzyme and reduces its activity; it slows a chemical reaction that the enzyme catalyzes.
- 8. The attraction between like particles within polar substances.
- 11. A substance that produces Hydrogen ions (H+).
- 12. A substance that changes the rate of a chemical reaction; Itis not used up or affected by this reaction.
- 15. A pure substance with only one kind of atom.
- 17. A simple organic compound and a carbohydrate; It is important as a source of both energy and structure.
- 18. The ability to do work; It drives both physical and chemical processes necessary for life.
- 19. Molecules that have an uneven distribution of electrical charge; some regions are negative charge and others are positive.
- 20. Contains the element Carbon and is a covalently bonded compound.
- 22. The physical stuff that makes up the universe; occupies space and has mass.
- 25. A class of organic compounds that serve as building blocks for information storage of DNA and RNA molecules; has three parts.