Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Match the name of the atomic model to the scientist that proposed it.
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Name the sub-atomic particle discovered by James Chadwick.
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Select ALL of the contributions made by Niels Bohr to the development of the atomic model.
discovered the nucleus
proposed that electrons orbit the nucleus in fixed shells
explained why atoms didn't collapse in on themselves
discovered the neutron
discovered the proton
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Select ALL the contributions made by Ernest Rutherford to the development of the atomic model.
discovered the neutron
discovered the proton
explained why atoms didn't collapse in on themselves
proposed that electrons orbit the nucleus in fixed shells
discovered the nucleus
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Select the best conclusion that can be made from Rutherford's observation that some of the alpha particles were deflected at large angles,
all of the positive charge is concentrated in a central nucleus
most of the atom is empty space
most of the mass is concentrated in a central nucleus
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Select the best conclusion that can be made from Rutherford's observation that most of the alpha particles passed straight through the gold foil undeflected.
all of the positive charge is concentrated in a central nucleus
most of the atom is empty space
most of the mass is concentrated in a central nucleus
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What type of particle did Rutherford fire at the thin sheet of gold?
beta particles
neutrons
protons
alpha particles
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Which sub-atomic particle was discovered by JJ Thomson?
neutron
electron
proton
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Dalton believed atoms were spheres.
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Did Dalton suggest that the atoms of a given element were identical or different to each other?
identical to each other
different to each other
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