History of atomic models

Front

What did Niels Bohr add to the model of the atom?

Back

Energy levels.

Front

What is DeBroglie known for regarding electrons?

Back

They can behave like a wave.

Front

What did Ernest Rutherford discover about the structure of atoms?

Back

Atoms are mostly empty space.

Front

Who was the first contributor to the atomic theory?

Back

Democritus.

Front

Order the following atomic models from earliest to latest: A) Rutherford B) Thomson C) Dalton

Back

C, B, A.

Front

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

Back

All matter is made of atoms, which are indivisible and indestructible.

Front

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

Back

The electron, leading to the plum pudding model.

Front

What is the significance of Rutherford's gold foil experiment?

Back

It demonstrated that atoms have a small, dense nucleus.

Front

What concept did Bohr introduce to explain electron behavior?

Back

Quantized energy levels.

Front

What is the wave-particle duality of electrons?

Back

Electrons exhibit both wave-like and particle-like properties.