Welcome to the Quiz!
This quiz contains 11 questions from a mix of 1 subtopics.
What did Rutherford use to detect the scattered alpha particles in his experiment?
A fluorescent screen
A thin gold foil
A microscope
A radioactive source
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What was observed in Rutherford's experiment?
most alpha particles passed through the gold foil with no deflection.
all alpha particles were deflected by the gold foil.
all alpha particles were scattered over 90°.
no alpha particles passed through the gold foil.
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According to Rutherford's conclusions, what is the charge of the nucleus?
neutral
positive
negative
no charge
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According to Rutherford's conclusions, where is most of the atom's mass located?
in the empty space
evenly spread throughout the atom
in the electrons
in the nucleus
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Which of the following statements was not a conclusion made by Rutherford?
the nucleus must be very small to only rarely deflect alpha particles.
the nucleus has enough positive charge to repel the positively charged alpha particles.
the rest of the atom is mostly empty space.
the atom is mostly made up of negative charge.
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What did Rutherford fire at the thin gold foil in his experiment?
protons
alpha particles
electrons
neutrons
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How many alpha particles were scattered over 90° in Rutherford's experiment?
1 in 8000
1 in 100
1 in 10
1 in 1000
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Rutherford concluded that atoms contain a small, dense, charged nucleus.
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The rest of the atom, outside of the nucleus, is mostly .
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What type of particles were fired at the gold foil in Rutherford's experiment?
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What is the central part of an atom called?
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