"The atomic theory" is a noun, because it is an idea. It neither elicits action, nor does it connect nouns.
Lavoisier is not known for an atomic theory.
when i was atomic theory i was a smart
Atomic theory was founded by John Dalton. He proved this theory in 1803.
he did not develop anything regarding the 'atomic theory' for he was against that theory.
They didn't help with atomic theory, they created it.
john dalton develop an atomic theory in 1803, based on idea of the atomic exsiting
John Dalton first pursued research into atomic theory. He was the first person to propose the existence of the atomic structure.
He pubish is own atomic theory in 1803 developed his atomic theory by observations gathered from many experiments .
Moseley was the first to clear and scientifically justify in 1913 the atomic number studying X-ray spectra of chemical elements. But Moseley hadn't a personal atomic theory, he was not the discoverer of the atomic theory.
The Atomic Theory
Dalton's Atomic Theory
They both thought the same theory but Dalton had evidence to prove it, unlike Democritus.