Atomic Models Flashcard

Front

Who discovered the neutron?

Back

James Chadwick

Front

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

Back

Bohr

Front

Who discovered electrons?

Back

J.J. Thompson

Front

Which model was created after the discovery of the nucleus?

Back

Rutherford's

Front

This picture best represents ___________________ atomic model.

Back

Thomson's

Front

What is Dalton's Atomic Theory?

Back

All matter is made of atoms, which are indivisible and indestructible.

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 is the main feature of Rutherford's model of the atom?

Back

It introduced the concept of a dense nucleus at the center of the atom.

Front

What did Neils Bohr contribute to atomic theory?

Back

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

Front

What is the Quantum Mechanical Model of the atom?

Back

It describes electrons as existing in probability clouds rather than fixed orbits.