8.3D Atomic Scientists

Front

What did Thomson discover?

Back

Electron

Front

What does the Plum Pudding model represent?

Back

A model of the atom where electrons are embedded in a positively charged 'soup'.

Front

Who developed the atomic theory stating that elements are composed of atoms?

Back

John Dalton

Front

What is JJ Thomson's theory nicknamed?

Back

Plum Pudding or Chocolate Chip

Front

What is the current model of the atom?

Back

Electron Cloud

Front

What particle did Rutherford discover?

Back

Proton

Front

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

Back

Atoms of the same element are identical and can combine to form compounds.

Front

What does the term 'electron cloud' refer to?

Back

The region around the nucleus of an atom where electrons are likely to be found.

Front

What did Chadwick discover?

Back

Neutron

Front

What is the significance of the Billiard Ball model?

Back

It was one of the first models to suggest that atoms are solid and indivisible.