Atomic Models Flashcard

Front

Who discovered electrons?

Back

J.J. Thompson

Front

Proposed that electrons move around the nucleus in specific layers, or shells.

Back

Bohr

Front

What did Erwin Schrodinger do to help with atomic theory?

Back

He developed the Electron Cloud Model.

Front

Who discovered the neutron?

Back

James Chadwick

Front

What is Dalton's Atomic Model?

Back

Dalton's model proposed that all matter is made of atoms, which are indivisible and indestructible.

Front

What is the Electron Cloud Model?

Back

The Electron Cloud Model describes electrons as being in a cloud around the nucleus, rather than in fixed orbits.

Front

What did Rutherford's gold foil experiment demonstrate?

Back

It demonstrated that atoms have a small, dense nucleus.

Front

What is the main idea of the Bohr Model?

Back

Electrons move in fixed orbits around the nucleus, with specific energy levels.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.