The idea that matter is composed of atoms was first proposed by the ancient Greek philosopher Democritus in the 5th century BCE. He suggested that everything in the universe is made up of small, indivisible particles called "atomos," which means "uncuttable." Although his ideas were philosophical and not based on experimental evidence, they laid the groundwork for atomic theory.

John Dalton later formalized the atomic theory in the early 19th century with scientific evidence, but the fundamental concept originated with Democritus. Therefore, the correct answer is:

**A. Democritus**.

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The idea that matter is composed of atoms was first proposed by the ancient Greek philosopher Democritus in the 5th century BCE. He suggested that everything in the universe is made up of small, indivisible particles called "atomos," which means "uncuttable." Although his ideas were philosophical and not based on experimental evidence, they laid the groundwork for atomic theory.

John Dalton later formalized the atomic theory in the early 19th century with scientific evidence, but the fundamental concept originated with Democritus. Therefore, the correct answer is:

**A. Democritus**.

Knowee AI · Accepted Answer

The idea that matter is composed of atoms was first proposed by the ancient Greek philosopher Democritus in the 5th century BCE. He suggested that everything in the universe is made up of small, indivisible particles called "atomos," which means "uncuttable." Although his ideas were philosophical and not based on experimental evidence, they laid the groundwork for atomic theory.

John Dalton later formalized the atomic theory in the early 19th century with scientific evidence, but the fundamental concept originated with Democritus. Therefore, the correct answer is:

**A. Democritus**.

Who first came up with the idea that matter was made up of atoms?A.DemocritusB.John DaltonC.AristotleD.Robert BoyleSUBMITarrow_backPREVIOUS

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Who first came up with the idea that matter was made up of atoms?

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