Atomic
structure of matter, human attention. By observing what In nature and found that there is a whole different variety of solid, liquid and gas, to doubt that these contain small parts, however. Led to the idea that matter is the smallest sub parts called atoms. At the time of Dalton. Assumptions about the atom becomes clearer
Dalton's atomic theory says
All substances composed of atoms, which are inseparable. And each element is composed of atoms that have properties
similar to the weight and size of different atoms have different weights. And atomic species can not be converted to other types of atoms. It may be combined with atoms of other elements in proportion to the stability. The compound that atom retains its only reacting. "
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