Across
- 1. Macromolecules made mostly from Carbon and Hydrogen atoms; includes fats, oils and waxes.
- 5. The center of an atom, which contains the protons and neutrons
- 6. Small chemical unit that makes up a polymer.
- 8. Compounds that produce Hydroxide ions(OH-) in solution.
- 10. Macromolecules containing Hydrogen, Oxygen, Nitrogen, Carbon and Phosphorus.
- 13. Pure substance that consists entirely of one type of atom.
- 14. Material composed of 2 or more elements or compounds that are physically mixed together but not chemically combined.
- 18. Type of mixture in which all the components are evenly distributed.
- 20. Type of bond between atoms in which the electrons are shared.
- 21. Elements or compounds that are produced in a chemical reaction.
- 22. Subunit of which nucleic acids are composed; made up of a 5-carbon sugar, phosphate group and a nitrogen base.
- 24. Slight attraction that develops between oppositely charged regions of nearby molecules.
- 27. Compounds that produce Hydrogen ions(H+) in solution.
- 29. One of the several forms of a single element, which contains the same number of protons but a different numbers of neutrons.
- 32. Atom that has a positive or negative charge.
- 33. Negatively charged particle: located in the space surrounding the nucleus.
- 34. Simple sugar molecules.
- 36. Force of attraction between molecules of the same substance.
- 37. Attraction between molecules of different kinds of molecules.
- 38. Energy that is needed to get a reaction started.
- 39. Weak attraction between a hydrogen atom and another atom.
Down
- 2. Macromolecules that contain carbon, oxygen, nitrogen; needed by the body for growth and repair.
- 3. Compounds that prevent sharp, sudden changes in pH.
- 4. Reactant of an enzyme-catalyzed reaction.
- 7. Scale with values from 0 to 14; used to measure the concentration of H+ ions in a solution.
- 9. Substance that is dissolved in a solution.
- 11. Process that changes, or transforms, one set of chemicals into another set of chemicals.
- 12. Substance that speeds up the rate of a chemical reaction.
- 15. Compounds made of Carbon, Hydrogen, Oxygen atoms; type of nutrient that is the major source of energy for the body.
- 16. Compound with an amine group on one end and a carboxyl group on the other end.
- 17. Basic unit of matter
- 19. Mixture of water and nondissolved material.
- 23. Elements or compounds that enter into a chemical reaction.
- 25. Substance formed by chemical combination of 2 or more elements in definite proportions
- 26. Molecules composed of many monomers.
- 28. Chemical bonds formed when one or more electrons are transferred from one atom to another.
- 30. Smallest unit of most compounds that displays all the properties of that compound.
- 31. Dissolving substance in a solution.
- 35. Protein catalyst that speeds up the rate of specific biological reactions.