Atom is a part of particle of a substance which is gas, liquid or solid (metal). The word of atom firstly punctuated by a philosopher named Democritus. Atom model is an illustration of atom based on theoretical studies that is supported by experiment. The weaknesses of Democritus atom model is it is not supported by experiment so it cannot be acceptable.
The concept of atomic model which is strengthen by experiment is a picture of basic particle arrangement which revealed by John Dalton (1966-1844) who was a teacher in Manchester, England. The model of atom is revealed in his book New System of Chemical Philosophy I in 1803. Here is also Chemistry Models of Atoms
Dalton Atomic Theory
Atoms can join each other. Chemically forming molecules with simple comparisons. Here is also Postulates of John Dalton
Here are advantages and disadvantages of Dalton’s atomic theory:
Advantages of Dalton Atomic Theory
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Disadvantages of Dalton Atomic Theory
That’s the advantages and disadvantages of Dalton’s atomic theory. While Dalton’s theory has many shortcomings, he encouraged other scientists to develop a better and perfect atomic model theory.
The atomic theory of dalton is the embrio of modern atomic theory accompanied by experiments, although some are undeniable. That is the description of the basic theory of Dalton atomic model and its advantages and disadvantages. Hopefully it can be useful and spur us to be a better atomic theory developer.
Also read: Basic Laws of Chemistry
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