Answer:
The answer is C: Thinking about the smallest particles of matter without experimenting.
Explanation:
John Dalton proposed the atomic theory according to which all matter is made up of indivisible particles called atoms. His theories were based on law of constant composition and law of conservation of mass. There were few drawbacks in his theory. Later subatomic particles were discovered showing that atoms are further divisible.
The first model of the atom was developed: C. thinking about the smallest particles of matter without experimenting.
An atom is the smallest, fundamental unit of matter that forms all chemical elements.
This ultimately implies that, an atom is the fundamental building blocks of matter i.e all physical and chemical substances; it determines the structure of a chemical element.
Generally, an atom is made up of three (3) distinct particles which are;
John Dalton was the English chemist who proposed the first model of the atom by adopting Democritus' theory in the early 1800s.
However, John Dalton and other scientists who worked on the first model of the atom proposed that atoms are the tiny, small particles that makes up a matter without carrying out an experiment. Thus, the first model of the atom was a theory and wasn't based on observation or any factual evidence.
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