However, uncertainty persisted for half a century about how atomic theory was to be configured and applied to concrete situations; chemists in different countries developed several different incompatible atomistic systems.
Namun, ketidakpastian bertahan selama setengah abad tentang bagaimana teori atom dikonfigurasi dan diterapkan pada situasi nyata; kimiawan di berbagai negara mengembangkan beberapa sistem atomistik yang tidak kompatibel.