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Atomic Theory Flashcards | StudBud
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Atomic Theory
Atomic Theory
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1
What principle is the modern atomic model based upon?
plum pudding
wave model
gold foil
electron clouds
2
If you alter the number of neutrons, what do you create?
atom
radioactivity
ion
isotope
3
Which atomic theorist coined the term “atom”?
Chadwick
Thompson
Democritus
Bohr
4
Who first identified protons?
Democritus
Rutherford
Thompson
Chadwick
5
Who developed the theory of the atom?
Rutherford
Dalton
Thompson
Democritus
6
Which atomic theorist shot positively charged particles at a sheet of gold foil?
Schrodinger
Bohr
Rutherford
Chadwick
7
Who developed the theory of matter (is the basis of modern chemistry)?
Democritus
Rutherford
Bohr
Dalton
8
What do you call atoms that have the same number of protons but different number of neutron
atoms
isotopes
radioactivity
ions
9
Who first identified neutrons?
Chadwick
Rutherford
Thompson
Democritus
10
What would cause an atom to not be neutral?
p+ don't equal n*
p+ don't equal e-
p+ equal n*
p+ equal e-
11
What is the name of the positively charged particle found in the center of the atom?
nucleus
neutron
electron
proton
12
Where are electrons located in an atom?
nucleus
electron cloud
neutron
who knows?!
13
What atomic theorist proposed the “plum pudding model”?
Rutherford
Democritus
Thompson
Bohr
