Beryllium Hydride : Linear Molecular Geometry

An example of linear electron pair and molecular geometry is BeH₂. This molecule is electron deficient and does not follow the octet rule because it has only 4 valence electrons. The hydrogen atoms are as far apart as possible if opposite each other at 180^o; this is linear geometry.

Beryllium hydride is a solid at room temperature. It does not have any common uses and all beryllium compounds are quite toxic.