Across
- 2. Substance that speeds up the rate of a chemical reaction
- 5. Small chemical unit that makes up a polymer
- 6. Type of mixture in which all of the components are evenly distributed
- 8. Compound made of carbon, hydrogen, and oxygen atoms
- 10. Mixture of water and no dissolved material
- 12. Force of attraction between different types of molecules
- 17. Type of bond between atoms in which the electrons are shared
- 22. Attraction of molecules of the same substance
- 23. Molecule composed of many monomers; makes up macromolecules
- 26. Elements or compounds that enter into a chemical reaction
- 28. SubUnit of which nucleic acids are composed; 5 carbon sugar, a phosphate group, and a nitrogenous base
- 29. Macromolecule that contains carbon, hydrogen, oxygen, and nitrogen
- 31. Energy input that is needed for a reaction to begin
- 34. Pure substance that consists entirely of one type of atom
- 36. Scale with values 0-14, used to measure the concentration of H+ ions in a solution
- 37. Compound that prevents sharp, sudden changes in pH
- 38. Elements or compounds produced by chemical reactions
Down
- 1. Weak attraction between a hydrogen atom and another atom
- 3. Chemical bond formed by one or more electrons are transferred from one atom to another
- 4. Protein catalyst that speeds up the rate of specific biological reactions
- 7. Slight attraction that develops between oppositely charged regions of nearby molecules
- 9. Compound that forms hydrogen ions (H+) in a solution; a pH less than 7
- 11. Substance that is dissolved in a solution
- 13. Material composed of two or more elements or compounds that are physically mixed together but not chemically combined
- 14. Compound with an amino group on one end and a carboxyl group on the other end
- 15. Dissolving substance in a solution
- 16. Negatively charged particle; located in the space surrounding the nucleus
- 18. Macromolecule made mostly from carbon and hydrogen atoms; fats, oils, and waxes
- 19. Macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
- 20. One of several forms of a single element, which contains the same number of protons but different number of neutrons
- 21. Atom that has a positive or negative charge
- 24. Process that changes, or transforms, one set of chemicals into another set of chemicals
- 25. The basic unit of matter
- 27. Smallest unit of most compounds that displays all the properties of that compound
- 30. Reactant of an enzyme-catalyzed reaction
- 32. Substance formed by the chemical combination of two or more elements in definite proportions
- 33. Compound that produces hydroxide ions (OH-) in a solution; pH greater than 7
- 35. The center of an atom, which contains protons and neutrons