Most Alpha Particles Pass Through a Thin Layer of Gold Without Deflection

Which of the following is/are conclusions based on Rutherford’s gold foil experiment?

• Atom is mostly empty space

• The nucleus is positively charged

• The atom has a small dense nucleus

• All answers are correct

What conclusion can be drawn from the fact that most alpha particles pass through a thin layer of gold without deflection?

• Atoms are mostly empty space

• Atoms have a dense nucleus

• Atoms are positively charged

• Atoms are negatively charged

Tags

NGSS.HS-PS1-3

Which scientist is credited with the gold foil experiment that demonstrated most alpha particles pass through without deflection?

• Niels Bohr

• Albert Einstein

• Ernest Rutherford

• Isaac Newton

What does the deflection of a small number of alpha particles in the gold foil experiment suggest?

• The presence of electrons

• The presence of a dense nucleus

• The presence of neutrons

• The presence of protons

Tags

NGSS.HS-PS1-8

In the context of the gold foil experiment, what is the significance of the alpha particles that were deflected at large angles?

• They indicate the presence of electrons

• They indicate the presence of a dense nucleus

• They indicate the presence of neutrons

• They indicate the presence of protons

What is the charge of the nucleus as inferred from the gold foil experiment?

• Neutral

• Positive

• Negative

• Variable

Which of the following best describes the path of most alpha particles in Rutherford's gold foil experiment?

• They are absorbed by the gold foil

• They are deflected at large angles

• They pass through without deflection

• They are deflected at small angles

What experimental evidence supports the idea that atoms have a small, dense nucleus?

• The deflection of alpha particles

• The emission of beta particles

• The absorption of gamma rays

• The scattering of neutrons

How did the gold foil experiment change the atomic model?

• It introduced the plum pudding model

• It supported the Bohr model

• It led to the nuclear model of the atom

• It confirmed the solid sphere model

What type of particles were used in Rutherford's gold foil experiment?

• Beta particles

• Gamma rays

• Alpha particles

• Neutrons