Multiple Choice
The following ball-and-stick molecular model is a representation of the amino acid alanine (unshaded spheres = H) .Only the connections between atoms are shown;multiple bonds and nonbonded electrons are not indicated. 
-In order to complete an electron-dot structure of alanine,the oxygen atom labeled O2 needs
A) 1 additional bond and 1 nonbonded pair of electrons.
B) 1 additional bond and 2 nonbonded pairs of electrons.
C) 1 nonbonded pair of electrons.
D) 2 nonbonded pairs of electrons.
Correct Answer:
Verified
Correct Answer:
Verified
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