Atomic Theory Review

Front

Who was the Greek philosopher that first suggested that matter is made of tiny, indivisible particles called atoms?

Back

Democritus

Front

What did Aristotle believe matter was made of?

Back

Earth, fire, air, and water.

Front

Who proposed that atoms are indivisible and indestructible?

Back

John Dalton

Front

Whose atomic theory was based on scientific data?

Back

John Dalton

Front

What are the four fundamental elements according to Aristotle?

Back

Earth, Water, Air, Fire.

Front

What is the main idea of Dalton's atomic theory?

Back

Matter is made of atoms, which are indivisible and indestructible.

Front

What did Democritus contribute to atomic theory?

Back

He suggested that matter is made of tiny, indivisible particles called atoms.

Front

How did Aristotle's view of matter differ from that of Democritus?

Back

Aristotle believed matter was made of four elements, while Democritus believed in indivisible atoms.

Front

What is the significance of Dalton's atomic theory in modern science?

Back

It laid the foundation for modern chemistry by introducing the concept of atoms as the basic unit of matter.

Front

Who is known for discovering the electron?

Back

J.J. Thomson.