History of the atom

Front

Who proposed that electrons move around the nucleus in specific layers, or shells?

Back

Bohr

Front

Where are the electrons located in an atom?

Back

Outside the nucleus

Front

What did Dalton's Atomic Theory propose about atoms?

Back

Atoms were the smallest particles that existed and could not be divisible.

Front

What is the best representation of John Dalton's model of the atom?

Back

A solid sphere.

Front

Which atomic model was created after the discovery of charged particles?

Back

Plum Pudding Model

Front

What did Rutherford's experiment reveal about the atom?

Back

The atom has a small, dense nucleus.

Front

What is the main idea of the Quantum Mechanical Model of the atom?

Back

Electrons exist in probabilistic clouds around the nucleus.

Front

What is the significance of the Plum Pudding Model?

Back

It was one of the first models to include electrons within the atom.

Front

What did Thomson discover about the atom?

Back

He discovered the electron.

Front

What is the main difference between Dalton's and Rutherford's models of the atom?

Back

Dalton's model considered atoms as indivisible, while Rutherford's model introduced the nucleus.