Atomic Structure Quiz

Who was the first person to think about an atom’s existence?

• John Dalton

• Democritus

• J.J. Thomson

• Ernest Rutherford

What did John Dalton's theory state about atoms of the same element?

• They mix in whole number ratios

• They are different from those of another element

• They separate, join, or rearrange

• They are identical

Who discovered the electron?

• Ernest Rutherford

• John Dalton

• Democritus

• J.J. Thomson

What did Ernest Rutherford discover using the gold foil experiment?

• The neutron

• The nucleus

• The proton

• The electron

Tags

NGSS.HS-PS1-8

Where are protons located in an atom?

• In the nucleus and the electron cloud

• In the energy levels

• In the electron cloud

• In the nucleus

What is an atom considered when it has the same number of electrons and protons?

• Positive atom

• Charged atom

• Neutral atom

• Negative atom

Who discovered the proton?

• James Chadwick

• J.J. Thomson

• Ernest Rutherford

• Eugene Goldstein

What did J.J. Thomson's model of the atom resemble?

• Plum Pudding

• Chocolate cake

• Vanilla ice cream

• Apple pie

What did the observations from the Gold Foil Experiment conclude?

• The atom is a solid negative sphere

• The atom is a solid positive sphere

• The atom is a mixture of positive and negative particles

• The atom is mostly empty space

Where are neutrons located in an atom?

• In the energy levels

• In the electron cloud

• In the nucleus

• In the nucleus and the electron cloud