Atomic History

Front

Who used raisins in rice pudding to describe how electrons are distributed in the sphere?

Back

Thomson

Front

What is the name of the model that shows electrons orbiting around the nucleus like planets around the Sun?

Back

Bohr model

Front

Who believed that atoms were solid, indivisible spheres?

Back

Dalton

Front

True or False: Rutherford discovered his concept of an atom before Schrodinger discovered his.

Back

True

Front

Who found that electrons in atoms orbit around the nucleus?

Back

Bohr

Front

What model did Dalton propose regarding the structure of atoms?

Back

The atomic model where atoms are solid, indivisible spheres.

Front

What did Rutherford's gold foil experiment demonstrate about the atom?

Back

It showed that atoms have a small, dense nucleus.

Front

Who proposed the idea that matter is made up of tiny particles called atoms?

Back

Democritus

Front

What is the main contribution of J.J. Thomson to atomic theory?

Back

He discovered the electron and proposed the 'plum pudding' model.

Front

What does the Bohr model of the atom illustrate?

Back

Electrons orbit the nucleus in defined paths or energy levels.