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 nitrogen atom 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.

Question

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 nitrogen atom 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.

Quizplus · Accepted Answer

The Answer of 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 nitrogen atom 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.

The Following Ball-And-Stick Molecular Model Is a Representation of the Amino