Noncovalent bonds include all of the following except: a. van der Waals interaction b. ionic bonds c. carbon–oxygen double bond d. hydrogen bond
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Noncovalent bonds include all of the following except:
a. van der Waals interaction
b. ionic bonds
c. carbon–oxygen double bond
d. hydrogen bond
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- Which type of bond represents a weak chemical bond? a. hydrogen bond b. ionic bond c. covalent bond d. polar covalent bondRank the following chemical bonds in order of increasing polarity.a. nonpolar covalent b. ionic c. polar covalentDefine the following terms: a. dipole b. hydrogen bond c. electrostatic interaction d. covalent bond e. hydration
- Define the following terms: a. hydrocarbon b. hydrophilic c. hydrophobic d. functional group e. R groupClassify each of the following bonds as nonpolar covalent, polar covalent, or ionic on the basis of electronegativity differences.a. C—Ob. Na—Clc. C—Id. Ca—SWhich of the following is not a functional group that can bond with carbon? a. sodium b. hydroxyl c. phosphate d. carbonyl
- The following involves the attraction of a cation to an anion in a compound: O a. Covalent Bond O b. lonic Bond O c. Hydrogen Bond O d. B and C Oe. All of the AboveGive examples of four different types of bond involving hydrogen atoms. (polar covalent, non-polar covalent, hydrogen bonding and ionic). Comment on any unusual features and consequences of the examples you cite.Which of the following IS NOT a type of interaction that helps create a protein’s tertiary structure? Select one: a. glycosidic bonds b. hydrogen bonds c. salt bridges d. disulfide bonds
- Which of the following represents a covalent interaction? Choose any/all answers that apply. A. salt bridge B. peptide bond C. hydrogen bond D. Van der Waals interaction E. disulfide bondThe “octet rule” in chemistry helps predict the types of bonds thatatoms will form. In general, an atom will be most stable if it fills itsouter shell of 8 electrons. Atoms with fewer than 4 valence electronstend to donate electrons and those with more than 4 valence electronstend to accept additional electrons; those with exactly 4 can do both.Using this rule, determine what category each of the followingelements falls into: N, S, C, P, O, H, Ca, Fe, and Mg. (You will needto work out the valence of the atoms.)Discuss whether the following statement is correct: “An ionic bond can, in principle, be thought of as a very polar covalent bond. Polar covalent bonds, then, fall somewhere between ionic bonds at one end of the spectrum and nonpolar covalent bonds at the other end.”