Bio 230 Sfsu Exam Questions And Answers

d. one of the atoms sharing electrons is much more electronegative - Answer- A covalent bond is likely to be polar if _____ a. it is between two atoms that are both very strong electron donors b. the two atoms sharing electrons are equally electronegative c. it is between two atoms that are both very strong electron acceptors d. one of the atoms sharing electrons is much more electronegative e. the two atoms sharing electrons are of the same element e. is weak - Answer- A hydrogen bond ___________. Select one: a. is one in which hydrogen is strongly attracted to a positively charged atom b. is one of the strongest bonds known c. is one in which two hydrogens bond to each other d. is a function of hydrophobic interactions e. is weak c. has shared electrons pulled closer to the more electronegative atom - Answer- A polar covalent bond is a bond that _____. Select one: a. shares electrons equally between atoms b. is found only in H2O c. has shared electrons pulled closer to the more electronegative atom d. is found only in molecules containing oxygen e. ionizes b. double covalent - Answer- A(n) _____ bond joins these two oxygen atoms. a. hydrogen b. double covalent c. ionic d. quadruple covalent e. single covalent a. 8 electrons - Answer- An atom that normally has _____ in its outer shell would tend not to form chemical bonds with other atoms. a. 8 electrons b. 6 electrons