Flashcard History of the Atom

Front

Who is known for the 2000-year 'Death of Chemistry'?

Back

Aristotle

Front

What did Rutherford discover in his gold foil experiment?

Back

The nucleus of the atom.

Front

Who proposed the planetary model of the atom with electrons in specific orbits?

Back

Niels Bohr.

Front

In which atomic model are atoms described as tiny, indivisible balls?

Back

John Dalton's atomic model.

Front

What is the meaning of the term 'atom'?

Back

Indivisible.

Front

What was the main contribution of Dalton to atomic theory?

Back

Proposed that all matter is made of atoms, which are indivisible and indestructible.

Front

What did J.J. Thomson discover about the atom?

Back

The electron, through his cathode ray experiments.

Front

What is the significance of the Rutherford model of the atom?

Back

It introduced the concept of a dense nucleus surrounded by electrons.

Front

What did the Bohr model explain about electron behavior?

Back

Electrons occupy specific energy levels or orbits around the nucleus.

Front

How did the concept of the atom evolve from Dalton to modern atomic theory?

Back

It evolved from indivisible particles to complex structures with subatomic particles.