What is a compound that you are mostly familiar with that has a polar

covalent bond?

The most familiar example of a polar molecule is water (Figure 3). The molecule has three parts: one atom of oxygen, the nucleus of which contains eight protons, and two hydrogen atoms, whose nuclei each contain only one proton.

Answer: The most familiar example of a polar molecule is water (Figure 3). The molecule has three parts: one atom of oxygen, the nucleus of which contains eight protons, and two hydrogen atoms, whose nuclei each contain only one proton.