Atomic Theory

Who proposed the first atomic view of matter?

• Lavoisier
• Empedocles
• Democritus
• Priestley

Who started the modern atomic theory (backed with data) of the atom?

• Democritus

• Dalton

• Thomson

• Bohr

Who first came up with the idea of an atom and called them "atomos"?

• o Democritus

• o Thomson

• o Rutherford

• o Bohr

Who performed the famous 'gold foil experiment'?

• o Dalton

• o Thomson

• o Rutherford

• o Bohr

Which of the four Physicists was first to work with cathode rays?

• o Dalton

• o Thomson

• o Rutherford

• o Bohr

Who proposed the 'plum pudding' model of the atom?

• o Dalton

• o Thomson

• o Rutherford

• o Bohr

Which of the choices below has the correct order of scientists' discoveries of the structure of an atom?

• Bohr, Democritus, Dalton, Thomson, Rutherford, Schrodinger

• Democritus, Dalton, Thomson, Schrodinger, Bohr, Rutherford

• Democritus, Dalton, Thomson, Rutherford, Bohr

• Schrodinger, Bohr, Rutherford, Thomson, Dalton, Deomcritus

This image is an example of ...

• A Bohr model

• A Dalton model

• A Rutherford model

• A Thomson Model

Found that positive charged particles are in the nucleus and negative charged particles surround the nucleus.

• Rutherford

• Democritus

• Schrodinger

• Bohr

Found that electrons in atoms orbit around the nucleus similar to the way planets around the Sun.

• Democritus

• Thomson

• Bohr

• Dalton