Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Our first question was about the concept of molecular ...

A substance that contains polar covalent bonds may not be overall polar. This is due to the shape of the molecule. Water molecules are polar molecules. Both of the bonds inside the molecule are polar ...

Lewis Structure of Carbon Dioxide: Carbon dioxide (CO 2) is a fundamental molecule in chemistry, playing a crucial role in various biological and environmental processes. Understanding its Lewis ...