Basic Chemistry

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