Enter a clue or pattern or both:
The ClueChemical compounds resembling others (7 letter answer)
NotesThe answer ISOMERS is rarely seen, appearing only about once every 1200 puzzles.
Related CluesChemical cousins, in a way
Atomically related compounds
Beta carotene and others
Compounds relating with others
Glucose and fructose, e.g.
Glucose and galactose, e.g.
Certain similar chemical compounds
Compounds used by nuclear physicists
Ethanol and dimethyl ether, e.g.
DefinitionISOMER as a noun:
1. a compound that exists in forms having different arrangements of atoms but the same molecular weight