Contains
- elementary particle
(physics) a particle that is less complex than an atom; regarded as constituents...
- hydrogen atom
An atom of hydrogen.
- isotope
One of two or more atoms with the same atomic number but with different numbers of neut...
- nucleus
The positively charged dense center of an atom.
- monad
(chemistry) an atom having a valence of one.
- carbon atom
An atom of carbon.
- radical
An atom or group of atoms with at least one unpaired electron; in the body it is usually...