isomers

1. In chemistry , molecules that contain exactly the same numbers of the same kinds of atoms , but in which the atoms have different structural arrangements.

Example Sentences

They're called d- and l-isomers—d for dextro, l for levo; right and left, you see.

From Project Gutenberg

Here we have assumed the substituent groups to be alike; when they are unlike, a greater number of isomers is possible.

From Project Gutenberg

In the case of tetra-substituted compounds, thirty isomers are possible when all the groups are different.

From Project Gutenberg

The next members are the isomers anthracene and phenanthrene, C14H10, formed from three benzene nuclei.

From Project Gutenberg

A factor of considerable importance in determining boiling-points of isomers is the symmetry of the molecule.

From Project Gutenberg