In Dalton's theory the electrons in the atom travel in a one layered orbital rotation around the nucleus, in the modern, or electron cloud, theory the electrons travel in a more radical patterned...
Given the evidence available at the time (early 1800's) nothing was wrong with Dalton's theory. It accounted for the variations among elements, their relative masses, the observed conservation of...
elements are composed of indivisible atoms and all atoms of a given element are identical and atoms of different elements are different that is they have different and have different masses and...
daltons atomic postulations stated that:
Elements are made of tiny particles called atoms. All atoms of a given element are identical. The atoms of a given element are different from those of any...