Electrostatic

A hydride is the anion of hydrogen, H−, or, more commonly, a compound in which one or more hydrogen centres have nucleophilic, reducing, or basic properties. In compounds that are regarded as hydrides, hydrogen is bonded to a more electropositive element or group.

This video outline how to identify cis/trans and E/Z geometric stereoisomers and includes detailed 3D molecules to help improve understanding.