Which option describes the structure of the electron shells in a neutral carbon atom?(1 point)

The inner shell is complete with four electrons. The outer shell is incomplete with two electrons.

The inner shell is incomplete with three electrons. The outer shell is incomplete with three electrons.

The inner shell is complete with three electrons. The outer shell is incomplete with three electrons.

The inner shell is complete with two electrons. The outer shell is incomplete with four electrons.

The correct answer is: The inner shell is complete with two electrons. The outer shell is incomplete with four electrons.

Which type of bonds can carbon atoms form with other carbon atoms?(1 point)

double, triple, and quadruple bonds

single, double, and triple bonds

double and triple bonds

single and double bonds

The correct answer is: single, double, and triple bonds.

Which structure defines the sulfhydryl functional group?

SH

SOH

OH

SH2

The correct answer is: SH

Which option explains why this amino acid can act as both an acid and a base?

It contains both an amino functional group and a carboxyl functional group. In a solution, the amino group can increase acidity, while the carboxyl group can decrease acidity.

It contains both an amino functional group and a methyl functional group. In a solution, the amino group can decrease acidity, while the methyl group can increase acidity.

It contains both an amino functional group and a methyl functional group. In a solution, the amino group can increase acidity, while the methyl group can decrease acidity.

It contains both an amino functional group and a carboxyl functional group. In a solution, the amino group can decrease acidity, while the carboxyl group can increase acidity.

The correct answer is: It contains both an amino functional group and a carboxyl functional group. In a solution, the amino group can increase acidity, while the carboxyl group can decrease acidity.