Atomic Models and Scientists Matching

Vocabulary flashcards matching key historical scientists with their corresponding atomic models.

Democritus ($\approx 400\,\text{BCE}$)

Ancient Greek thinker associated with the concept of the Indivisible Solid Sphere atomic model.

John Dalton (1803)

Scientist who proposed the Billiard Ball Model of the atom.

J.J. Thomson (1897)

Scientist who discovered the electron and proposed the Plum Pudding Model of the atom.

Ernest Rutherford (1911)

Scientist who discovered the atomic nucleus and proposed the Nuclear Model of the atom.

Niels Bohr (1913)

Scientist who proposed the Bohr / Orbit Model of the atom with electrons in defined orbits.

Erwin Schrödinger & Werner Heisenberg (1926-1927)

Scientists who developed the Quantum Cloud Model of the atom.

Indivisible Solid Sphere

Atomic concept proposed by Democritus ($\approx 400\,\text{BCE}$).

Billiard Ball Model

Atomic model proposed by John Dalton in 1803.

Plum Pudding Model

Atomic model proposed by J.J. Thomson in 1897.

Nuclear Model

Atomic model proposed by Ernest Rutherford in 1911.

Bohr / Orbit Model

Atomic model proposed by Niels Bohr in 1913.

Quantum Cloud Model

Atomic model developed by Erwin Schrödinger & Werner Heisenberg (1926-1927).