Ch. 4/5 Review

Proposed the quantum mechanical model of the atom

• Sir J.J. Thomson

• Erwin Schrodinger

• Neils Bohr

• John Dalton

Discovered neutrons

• Ernest Rutherford

• Robert Millikan

• Democritus

• Sir James Chadwick

Tags

NGSS.HS-PS1-8

Performed oil droplet experiment

• Robert Millikan

• Eugen Goldstein

• Neils Bohr

• Sir J.J Thomson

Discovered protons

• Sir James Chadwick

• Eugene Goldstein

• Erwin Schrodinger

• Robert Millikan

Discovered electrons

• Neils Bohr

• Democritus

• Sir J.J Thomson

• Ernest Rutherford

Proposed discrete energy levels for electrons

• Neils Bohr

• Sir James Chadwick

• John Dalton

• Robert Millikan

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Developed glass tubes containing gas at low pressure with charged particles

• Sir James Chadwick

• William Crookes

• John Dalton

• Democritus

Proposed the plum pudding model (chocolate chip cookie model)

• Democritus

• William Crookes

• John Dalton

• Sir J.J. Thomson

Suggested the existence of indivisible, indestructible particles

• Democritus

• William Crookes

• John Dalton

• Erwin Schrodinger

Proposed atomic theory based on experimental evidence

Tags

NGSS.HS-PS1-1