Atoms, Molecules, And Ions Worksheet - Chapter 2 Page 6
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27The Nuclear Atom
•Since some particles
were deflected at large
angles.
•Thompson’s model
could not be correct.
•Rutherford’s nuclear
model of the atom:
all
of the positive charge
and most of the mass
is concentrated at the
center – the nucleus.
Electrons occupy the
rest of the space
(volume) of the atom.
Subatomic Particles
Neutrons
were
discovered
by James
Chadwick
in 1932.
6
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