Atomic Theory Development

Who was the first person to come up with the idea of the atom?

• Democritus

• Aristotle

• Dalton

• Thomson

Who's incorrect view of matter was predominate for over 2000 years?

• Democritus

• Dalton

• Aristotle

• Bohr

Who created the solid sphere model of the atom?

• Dalton

• Thomson

• Bohr

• Rutherford

Who created the plum pudding model of the atom?

• Rutherford and the plums were protons

• Rutherford and the plums were electrons

• Thomson and the plums were protons

• Thomson and the plums were electrons

The cathode-ray tube was used to discover the ____ by ____.

• Electron by Thomson

• Electron by Ruthefeord

• Proton by Thomson

• Proton by Rutherford

Rutherford discovered there were three main types of radiation. Which of the three types was used in his famous gold foil experiment?

• alpha

• beta

• gamma

• all three types

Why did most of the radiation pass through the gold foil in the experiment?

• Nucleus is large and most of atom is empty space.

• Nucleus is large and little of atom is empty space.

• Nucleus is small and most of atom is empty space.

• Nucleus is small and little of atom is empty space.

Tags

NGSS.HS-PS1-3

NGSS.HS-PS4-3

Moseley used X-rays to determine the number of which subatomic particle in the atoms of each element?

• Protons

• Electrons

• Neutrons

• All of the above.

Who ran the gold-foil experiment?

• Rutherford

• Thomson

• Democritus

• Dalton

This is an example of which model of the atom?

• Rutherford's Model

• Plum Pudding Model

• Atomic Model

• Bohr's Model