Suggest a second way in which ethanoic acid ${\mathrm{CH}}_3\mathrm{COOH}$ can hydrogen bond with water. One way is depicted below.

What is the name of ${\mathrm{K}}_2{\mathrm{SO}}_4$?

What is the formula of sodium nitrate?

Which of the following species is molecular?

Which molecule has the shortest carbon-to oxygen bond length?

The electronegativities, ${\mathrm{\chi }}_{\mathrm{P}}$ for four elements are given in the table.

Which bond is the most polar?

What is the electron domain geometry, the molecular geometry, and the $\mathrm{Cl}-\mathrm{P}-\mathrm{Cl}$ bond angle for the molecule phosphorus trichloride, ${\mathrm{PCl}}_3$?