adjective
- consisting of single atoms; not combined with other atoms
Usage: chemistry
Examples
- Noble gases like helium and neon exist as monatomic molecules.
- The monatomic structure of argon makes it chemically inert.
- Mercury vapor consists of monatomic mercury atoms.
- At high temperatures, some diatomic gases become monatomic.
- The monatomic nature of xenon explains its lack of reactivity.
- Scientists studied the monatomic behavior of the gas sample.