Chem 604

This are particles that made up matter.

• cells

• atoms

• waves

• light

The Greek philosopher who proposed the term "atomos".

• Aristotle

• Plato

• Democritus

• Socrates

The central part of the atom.

• Nucleus

• Proton

• Electron shells

• Nucleons

The scientist famous for his alpha-scattering experiment.

• J. J. Thompson

• Neils Bohr

• Ernest Rutherford

• James Chadwick

He discovered the electrons.

• J. J. Thompson

• Neils Bohr

• Ernest Rutherford

• James Chadwick

These are what you call the particles found in the nucleus.

• nuclites

• nucleotides

• neuprons

• nucleons

Positively charged particle of the atom.

• proton

• electron

• neutron

• nucleon

Negatively charged particle of the atom.

• proton

• electron

• neutron

• nucleon

Neutral particle of the atom.

• proton

• electron

• neutron

• nucleon

He proposed that the electrons move in orbits around the nucleus.

• Neils Bohr

• J.J. Thompson

• James Chadwick

• Ernest Rutherford