Development of the Atomic Theory

Which model did Sir JJ Thomson propose?

• nuclear model

• solid sphere model

• plum pudding model

• electron cloud model

Which model did John Dalton propose?

• nuclear model

• solid sphere model

• plum pudding model

• electron cloud model

Who provided the first detailed description of the atom?

• Democritus

• John Dalton

• Sir JJ Thomson

• Ernest Rutherford

What do you call the basic building blocks of matter?

• atoms

• protons

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

Who among the following discovered the electron?

• Democritus

• John Dalton

• Sir JJ Thomson

• Ernest Rutherford

Which experiment led to the discovery of the electrons?

• gold foil experiment

• cathode ray tube experiment

• photoelectric effect experiment

• Schrodinger's cat thought experiment

Who proposed the atomism theory?

• Aristotle

• Socrates

• Democritus

• John Dalton

Which experiment led to the discovery of the nucleus?

• gold foil experiment

• cathode ray tube experiment

• photoelectric effect experiment

• Schrodinger's cat thought experiment

Which model did Ernest Rutherford propose?

• nuclear model

• solid sphere model

• plum pudding model

• electron cloud model

Which of the following is true regarding the nuclear model?

• The positively charged core is surrounded by orbiting electrons.

• The negatively charged core is surrounded by orbiting protons.

• The neutral core is surrounded by orbiting protons and electrons.

• The positively charged core is surrounded by stationary electrons.