Atomic Theory and Structure Test Review
List what each person is known for in regards to Atomic Theory and structure of
an atom:
Democritus:
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Dalton:
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Thomson:
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Rutherford:
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Bohr:
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Chadwick:
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Explain the modern model of an atom, Electron Cloud model:
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Fill out the following chart:
Particle
Proton
Neutron
Electron
Location
Charge
Mass?
Atomic Theory and Structure Test Review
Find the missing numbers: Remember the APE rule…
Remember Atomic Mass = Protons + Neutrons
Element
Atomic #
Atomic Mass
Beryllium
4
9
Mercury
Rutherfordium
Silicon
# of Protons
# of Neutrons
201
# of Electrons
80
104
157
14
14
Draw and Label an atom: Make sure you have protons, neutrons, and electrons
represented. As well as label the electron cloud area and nucleus. Don’t forget to
add the charges to the particles when needed.