Atomic Models and History

Front

What did Ernest Rutherford discover about the atom?

Back

The atom is mostly empty space and has a positively charged nucleus.

Front

Who discovered that atoms are mostly empty space?

Back

Rutherford.

Front

What atomic model was proposed by Niels Bohr?

Back

Planetary Model.

Front

Which atomic model was created after the discovery of the electron cloud?

Back

Quantum Mechanical Model.

Front

Which atomic model is represented by the 'Plum Pudding' concept?

Back

Thomson's atomic model.

Front

What is the main feature of Dalton's atomic model?

Back

Atoms are indivisible and solid spheres.

Front

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

Back

He discovered the electron and proposed the Plum Pudding Model.

Front

What is the significance of the Quantum Mechanical Model?

Back

It describes the behavior of electrons in atoms as wave functions.

Front

What did Rutherford's gold foil experiment demonstrate?

Back

It demonstrated that atoms have a small, dense nucleus.

Front

What is the main difference between Rutherford's and Bohr's models?

Back

Bohr's model introduced quantized energy levels for electrons.