Across
- 1. The electron cloud around the nucleus of an atom occupy regions of space (pg 31)
- 5. A group of molecules that includes sugars and starches represent 1–2% of cell mass (pg 43)
- 7. Formed when two monosaccharides are joined by dehydration synthesis (pg 43)
- 8. Two or more atoms of the same element combine (pg 28)
- 10. When a molecule is broken down into smaller molecules (pg 36)
- 16. An element that has the same atomic number but different mass number (pg 27)
- 18. A subatomic particle that has no charge (pg 25)
- 19. The measurement of the number of particles present in a given volume, often in a mixture or solution (pg 37)
- 20. A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals (pg 39)
- 22. A mixutre of microscpic particles that are larger than its solution and do not settle (pg 29)
- 23. The sum of its protons and nuetrons
- 26. The reaction of an acid and a base, which forms water and a salt (pg 40)
- 27. Anything that occupies space and has mass. (pg24)
- 28. A homogeneous mixtures of components that may be gases, liquids, or solids (pg 29)
- 31. A heterogeneous mixture in which the solid particles do not dissolve, but get suspended throughout the bulk of the solvent (pg 29)
- 33. Substances that increase the rate of chemical reactions without themselves becoming chemically changed or part of the product (pg 38)
- 36. Attractive forces between atoms (pg 31)
- 38. a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound (pg 36)
- 40. The reactant taking up the transferred electrons is called the electron acceptor (pg 36)
- 42. Substances composed of two or more components physically intermixed (pg 29)
- 43. Compounds that contain carbon (pg 38)
- 46. The number of protons in its nucleus (pg 27)
- 47. Single-chain or single-ring structures containing from three to seven carbon atoms (pg 43)
- 48. Those substances which can, in contact with air, water or other common substances, vigorously or violently give off heat, energy or toxic gases or vapors (pg 28)
- 49. The reactant losing the electrons (pg 36)
- 50. Insoluble in water but dissolve readily in other lipids and in organic solvents such as alcohol and ether (pg 43)
Down
- 2. Substances that conduct an electrical current in solution (pg 29)
- 3. The starting materials in a reaction that undergo a chemical change to form a product (pg 35)
- 4. Are polymers of simple sugars linked together by dehydration synthesis (pg 43)
- 6. Small atoms with six or seven valence shell electrons that are attracted very strongly (pg 34)
- 9. Includes water, salts, and many acids and bases (pg 38)
- 11. A subatomic particle that has a negative charge (pg 25)
- 12. Two or more different kinds of atoms bind (pg 28)
- 13. The elements that are made from the reactants present
- 14. The relative concentration of hydrogen ions in various body fluids is measured in concentration units (pg 40)
- 15. The measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius (pg 37)
- 17. A subatomic partice that is positively charged (pg 25)
- 21. The mass of a substance that contains 6.023 x 1023 particles of the substance (pg 29)
- 24. When atoms or molecules combine to form a larger, more complex molecule (pg 36)
- 25. An ionic compound containing cations other than H1 and anions other than the hydroxyl ion (OH2) (pg 39)
- 29. A bond between atoms formed by the transfer of one or more electrons from one atom to the other (pg 32)
- 30. A substance that can neutralize the acid by reacting with hydrogen ions (pg 39)
- 32. An unstable form of a chemical element that releases radiation (pg 28)
- 34. A substance that can be dissolved into a solution (pg 29)
- 35. A liquid that dissovles a solute (pg 29)
- 37. Shared electrons (pg 32)
- 39. Reactions in that they are the basis of all reactions in which food fuels are broken down for energy (pg 36)
- 41. A composed of carbon, oxygen, hy drogen, nitrogen, and phosphorus, are the largest molecules inthe body (pg 53)
- 44. The smallest particle of a chemical element (pg 25)
- 45. The power or the capicty to do work. (pg24)