53. This type of bond requires a sharing of electrons. A Covalent B) Ionic C) Hydrogen D)
Atomic E) Electronic 54, This is the type of bond between the atorms forming water A)
Nonpolar covalent B) Polar covalent C) Hydrogern D) lonic E) Atomic 55. This is a negatively
charged atom. A) Superoxide B) Isotope C) Catalyst Ion E) Valence 56. Which of the following
bonds provides the helical structure of DNA? A) Nonpolar covalent B) Polar covalent C)
Hydrogen D) Ionic E) Atomic 57. An enzyme acts to A) Raise the activation energy needed
Lower the activation energy needed C) Convert the activation energy into potential D) Convert
the activation energy into kinetic E) Break a chemical reaction 58. This type of reaction is where
the bond being formed requires more energy than that being broken down thereby requiring that
energy be added. A) Exergonic ) Endergonic C) Potential D) Kinetic E) Activation Page 8 of 29
Solution
53. A. covalent
54. B. polar covalent
55. A. superoxide
56. C. hydrogen bond
57. B. lower the activation energy needed
58. B. endergonic
Atomic E) Electronic 54, This is the type of bond between the atorms forming water A)
Nonpolar covalent B) Polar covalent C) Hydrogern D) lonic E) Atomic 55. This is a negatively
charged atom. A) Superoxide B) Isotope C) Catalyst Ion E) Valence 56. Which of the following
bonds provides the helical structure of DNA? A) Nonpolar covalent B) Polar covalent C)
Hydrogen D) Ionic E) Atomic 57. An enzyme acts to A) Raise the activation energy needed
Lower the activation energy needed C) Convert the activation energy into potential D) Convert
the activation energy into kinetic E) Break a chemical reaction 58. This type of reaction is where
the bond being formed requires more energy than that being broken down thereby requiring that
energy be added. A) Exergonic ) Endergonic C) Potential D) Kinetic E) Activation Page 8 of 29
Solution
53. A. covalent
54. B. polar covalent
55. A. superoxide
56. C. hydrogen bond
57. B. lower the activation energy needed
58. B. endergonic
