Atomic Theory Scientists

Front

What did Thomson discover?

Back

Electron

Front

Who developed the planetary model of the atom?

Back

Bohr

Front

What was wrong with Bohr's model of the atom?

Back

He said electrons follow specific paths, and you can tell where the electrons are.

Front

What does the Plum Pudding model represent?

Back

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

Front

What does the Solid Sphere model represent?

Back

A model of the atom proposed by Dalton, suggesting atoms are indivisible and solid.

Front

Who proposed the idea that atoms have a dense, positive center?

Back

Rutherford

Front

What is the main limitation of Bohr's model?

Back

It cannot accurately predict the behavior of electrons in larger atoms.

Front

What is the significance of the Gold Foil experiment?

Back

It led to the discovery of the atomic nucleus.

Front

What does the term 'electron cloud' refer to?

Back

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

Front

What did Dalton contribute to atomic theory?

Back

He proposed that all matter is made of atoms, which are indivisible.