When electrons are added to the outermost shell of a $C$ atom, it forms which of the following species?

Which of the following functional groups contains a $C_1=O$ (carbonyl group) directly bonded to a $N$ atom?

Which of the following is another name for the acrylic monomer?

Which of the following compounds contains an aldehyde functional group?

Which of the following compounds contains both a carboxylic acid $\left({\mathrm{COOH}}^1\right)$ and a phenol $\left({\mathrm{ArOH}}^1\right)$ functional group?

The highlighted part of this molecule is derived from which functional group?

Given two compounds, $\mathrm{CH}{3}_3\mathrm{CH}-\mathrm{OH}$ and $\mathrm{CH}{3}_3\mathrm{CO}H$, what is the relationship between them?

Which property of $C$ best explains its ability to form large and complex molecules?

A vegetable dye that produces reddish highlights is commonly known as: