Chemistry Comes Alive

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Across
  1. 2. a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
  2. 6. sum of the atomic weights of the elements or compound (pg.29)
  3. 7. structural units of nucleic acids (pg. 53)
  4. 11. – the center of an atom containing protons and neutrons (pg.25)
  5. 12. the storage carbohydrate formed by plants (pg.43)
  6. 13. The substance on which an enzyme act (pg.52)
  7. 14. The time required for a radioisotope to lose one-half of its activity (pg.28)
  8. 15. – the process of atomic decay (pg. 28)
  9. 20. a translucent mixture of tiny particles dispersed in another medium (pg.30)
  10. 23. the storage carbohydrate of animal tissues (pg.43)
  11. 24. combination of two or more atoms held together by a chemical bond (pg. 28)
  12. 26. the type of reaction when energy is released (pg.37)
  13. 29. - large arrays of cations and anions held together by ionic bonds(pg.32)
  14. 31. a group of molecules that contain sugars and starches. (pg. 43)
  15. 35. the substance present on the greatest amount in a mixture (pg. 29)
  16. 38. -Radioactive isotopes of an element is called a (pg.28)
  17. 41. the process when atoms or molecules form a larger, more complex molecule (pg.36)
  18. 42. proteins that act as biological catalysts (pg.51)
  19. 43. this type of energy is stored in the bonds of chemical substances (pg.24)
  20. 45. - proton acceptors that takes up hydrogen ions in detectable amounts.(pg. 39)
  21. 46. – energy in motion (pg. 24)
  22. 47. a substance that releases hydrogen ions in detectable amounts. (pg.39)
  23. 48. regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
  24. 49. the products of energy-absorbing in a reaction (pg.37)
Down
  1. 1. - the study of the chemical composition and reactions of living matter (pg.38)
  2. 3. a substance that increases the rate of reaction and unchanged at the end
  3. 4. a single chain structure containing 3-7 carbon atoms. (pg.43)
  4. 5. - polymers of simple sugars linked together by dehydration synthesis (pg.43)
  5. 8. homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
  6. 9. The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
  7. 10. bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
  8. 16. type of energy directly involved in moving matter (pg.24)
  9. 17. - chainlike molecules made monomers, joined together by dehydration synthesis (pg.42)
  10. 18. - a common waste product of protein breakdown in the body (pg.40)
  11. 19. chemical systems that regulate homeostasis of acid base balance. (pg.41)
  12. 21. – the type of energy that results from the movement of charged particles. (pg.24)
  13. 22. with the same number of protons but differing numbers of neutrons.(pg.27)
  14. 24. – anything that occupies space and has a mass. (pg. 24)
  15. 25. substances that conduct an electrical current in solution (pg. 39)
  16. 27. an electrically neutral chemical compound of cations and anions. (pg. 39)
  17. 28. modified triglycerides. (pg.47)
  18. 30. when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
  19. 32. when two monosaccharides are joined by dehydration synthesis (pg.43)
  20. 33. Substance composed of two or more component physically intermixed (pg. 29)
  21. 34. stored energy (pg. 24)
  22. 36. - an atom’s outermost energy level (pg.31)
  23. 37. heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
  24. 39. substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
  25. 40. the substance present in the smallest amount in a mixture (pg.29)
  26. 44. – the ability to put matter into motion. (pg. 24)