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 ...

VSEPR theory provides a practical way to predict the 3D shapes of molecules by focusing on how electron pairs repel each other. This model explains why atoms arrange in specific geometries, from ...

Six balloons tied together in a bunch arrange themselves in an octahedral fashion. As balloons are popped the resulting number conforms to the molecular shapes of VSEPR theory. To Conduct ...