Geometric isomers occur in some alkenes. These isomers are called cis–trans isomers because of the spatial orientation of the atoms or groups of atoms attached to the two carbons that form the double bond. Select the pairs that are cis–trans isomers.

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

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They make up examples of physical properties