Atomic Scientists

Came up with the term "atomos"

• Aristotle

• Democritus

• Dalton

• Millikan

Discovered the nucleus of an atom

• Rutherford

• Millikan

• Dalton

• JJ Thomson

Hypothesized that electrons have wavelike behaviours

• Chadwick

• Shrodinger

• de Broglie

• Bohr

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NGSS.HS-PS4-3

Disagreed with Democritus; he did not believe empty space could exist

• Rutherford

• Millikan

• JJ Thomson

• Aristotle

Discovered the neutron

• Chadwick

• Rutherford

• Millikan

• Heisenberg

Discovered the electron

• JJ Thomson

• Dalton

• Millikan

• Rutherford

Discovered the charge of the electron

• JJ Thomson

• Rutherford

• Millikan

• Dalton

Came up with the quantum mechanical model of the atom

• Chadwick

• Schrodinger

• Heisenberg

• de Broglie

Stated it is impossible to know both the position and velocity of an electron at the same time.

• Chadwick

• Schrodinger

• Heisenberg

• deBroglie

Suggested that an electron moved around the nucleus only in certain allowed orbits.

• Democritus

• Rutherford

• Dalton

• Bohr