Development of the atomic theory

True

False

All of his theory was based on thought

He wasn't respected

It wasn't based on scientific evidence

In the middle of the atom

Along the edge of the atom

Scattered throughout the atom

Orbiting around the atom

Bohr's Model

Democritus' Model

Rutherford's Model

Plum Pudding Model

1801

460 BCE

1897

1810

an atom’s central regions, which is made up of protons and neutrons

subatomic particles that have negative charges

subatomic particles that have neutral charges

subatomic particles that have positive charges

An atom’s central region, which is made up of protons and neutrons

Subatomic particles that have negative charges

subatomic particles that have positive charges

Subatomic particles that have neutral charges

Atom

Electron

Nucleus

Kinetic Energy

Atoms could be broken into smaller parts

Atoms caused the changes in matter

Atoms join to create compounds

The center of an atom has a nucleus

science is cool

not reactive

unable to be cut or divided

small

Plum Pudding Model

J.J. Thomson

Proto-Electron Model

Ernest Rutherford

Gold-Foil Experiment

Definite Proportion Experiment

Cathode-Ray Tube Experiment

No experimentation was done

Rutherford's Model

Plum Pudding Model

Atomic Model

Bohr's Model

Rutherford

Thomson

Democritus

Dalton