Question

The first model of the atom was developed through what?

Answer 1

Answer:

scientific experimentation and data analysis with water vapor and gases.

Explanation:

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Answer 2

Democritus Introduces the Atom
He thought that a point would be reached where matter could not be cut into still smaller pieces. He called these "uncuttable" pieces atomos. This is where the modern term atom comes from. Democritus first introduced the idea of the atom almost 2500 years ago.