Explore Historical Atomic Models

Front

Who proposed the electron cloud model of the atom?

Back

Erwin Schrodinger and Werner Heisenberg

Front

What atomic model has a positively charged nucleus and a negatively charged cloud of electrons?

Back

Modern Model

Front

Who discovered the electron and proposed the Plum Pudding Model?

Back

J.J. Thomson

Front

Who is credited with discovering the proton?

Back

Ernest Rutherford

Front

What model describes atoms as positively charged spheres with negatively charged electrons embedded in them?

Back

Plum Pudding Model proposed by J.J. Thomson

Front

What is the main feature of the Marble Model of the atom?

Back

It represents atoms as solid, indivisible spheres.

Front

What does the Planetary Model of the atom depict?

Back

Electrons orbiting a positively charged nucleus, similar to planets around the sun.

Front

Who proposed the first modern atomic theory?

Back

John Dalton

Front

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

Back

It led to the discovery of the nucleus and the understanding that atoms are mostly empty space.

Front

What did Niels Bohr contribute to atomic theory?

Back

He proposed that electrons travel in specific orbits around the nucleus.