Question 14 0 out of 0.5 points
Ef Which of the following statements regarding carbon is false?
Selected Answer: Carbon has the ability to bond with up to four other atoms.
Question 15 0.5 out of 0.5 points
What is the fundamental difference between co
Selected Answer: are weak bonds between slight positive hydrogen atoms and other atoms that have slightly negative charges.
u.u UHL u:
H20 (water) and NH3 (ammonia) molecules can form hydrogen bonds with each other. Whe
Question 19 0.5 out of 0.!
(f - The chemistry of carbon accounts for the formation of the large variety of molecules seen in biology because
J Selected Answer: carbon atoms can bind with as man):r as four other atoms to form molecules.
Question 210 0.5
_. _ . U. u. u. u. 4.
7: Organic compounds
Selected Answer: dways contain carbon
Question 6 0.5 out of 0.5 pa
E32 i A solution of pure watiar would be expected to contain which of the following?
Selected Answer: H20 molecules. H30+ cfw_HU ions, and OH i
u. . ., u. In.-
EU? i lfthe covalent bonds in the molecule CH4 are broken
Selected Answer: a Carbon and four Hydrogen atoms, each with unlled electron shells and chemically unstable, would be formed.
Question 2 0.5 out of 0.5 points
gr i Which ofthe f