Across
- 3. A protein that acts as a biological catalyst to speed up a chemical reaction. Pg 51
- 4. Anything that has mass and occupies space. Pg 24
- 6. A group of molecules that includes sugar and starches represent 1–2% of cell mass. Pg 43
- 7. Chemical substances or system that minimizes changes in the pH by releasing or binding hydrogen ions. G-4
- 9. Nonsymmetrical molecules that contain electrically unbalanced atoms. G-18
- 12. The number of protons. Pg 27
- 14. Heterogeneous mixtures with large often visible solutes that tend to settle out. Pg 30
- 15. Chemical bond formed by electron sharing between atoms. Pg 32
- 16. A mixture in which the solute particles do not settle out readily. G-6
- 18. Stored or inactive energy. Pg 24
- 19. Regions around the nucleus in which a given electron or electron pair is likely to be found. Pg 26
- 21. Steroid found in animals fats as well as in most body tissues, made by the liver. G-5
- 22. A negatively charge subatomic particles, orbits the atoms nucleus. Pg 25
- 23. The smallest particle of an element substance that exhibits the properties of that element. Pg 25
- 25. Is the universal energy compound of body cells. Pg 55
- 26. Sum of protons and neutrons in the nucleus of an atom. Pg 27
- 30. Subatomic particles that bear a positive charge. Pg 25
- 31. Isotopes that exhibit radioactive behavior. G-19
- 33. The capacity to do work. Pg 24
- 34. A substance capable of binding with hydrogen ions. G-4
- 35. The energy of motion or movement. Pg 24
- 36. Particle consisting of two or more atoms joined together by chemical bonds. Pg 28
- 37. Control center of a cell. G -16
- 40. Energy stored in bonds of chemical substances. Pg 24
- 41. A hydrogen atom minus its electron and therefore carrying a positive charge. G-11
- 42. Energy formed by the movement of charge particles. Pg 24
- 48. Energy directly involved in moving matter. Pg 24
- 49. Electrically balanced molecules. G-16
- 50. Is energy that travels in waves. Pg 24
Down
- 1. Displacement reaction in which mixing an acid and base forms water and salt. G-16
- 2. Is the single most abundant compound in the body. Pg 38
- 3. Substances that conduct an electrical current in solution. Pg 39
- 5. Are unique substances that cannot be decomposed into simpler substances by ordinary chemical methods. Pg 25
- 8. Is an ionic compound containing cations other than H1 and anions other than the hydroxyl ion (OH2).Pg39
- 10. Acquires a net negative charge when an atom gains electron. Pg 32
- 11. Involve the formation, breaking, or rearrangement of chemical bonds. Pg 35
- 13. Is the study of the chemical composition and reactions of all living matter
- 17. Structural unit of all living things. G-5
- 20. Having the same number of protons but different in neutrons. Pg 27
- 24. Pertaining to carbon containing molecules such as proteins, fats and carbohydrates. Pg 16
- 25. A substance that releases hydrogen ions when in a solution. Pg-39
- 26. Any element or compound that is equal or its atomic or molecular weight. Pg 29
- 27. Acquires a net positive charge when loses an electron. Pg 32
- 28. The average of the mass number of all isotopes of an element. Pg 28
- 29. A substance that is dissolved in solution. G-21
- 32. Specifies an atoms outermost energy level. Pg 31
- 38. Chemical bond formed by electron transfer between atoms. Pg 32
- 39. Are electron hungry and attract electrons very strongly. Pg 34
- 43. Substance composed of two or more different elements, the atoms of which are chemically combined. Pg 28
- 44. Combinations of substances held together by physical forces not chemical bond. Pg 29
- 45. A fat soluble vitamin produced in the skin on exposure to UV radiation. Pg 46
- 46. Uncharged subatomic particles. Pg 25
- 47. The substance present in the greatest amount. Pg 29