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Chapter 12: Atoms — Quiz
From
Chapter 12: Atoms
notes.
Question 1 of 15
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In Rutherford's α-scattering experiment, the observation that a few α-particles bounce back at angles greater than 90° implies:
A
The atom is uniformly filled with positive charge
B
Electrons are at the centre of the atom
C
Most of the atomic mass and positive charge is concentrated in a small nucleus
D
α-particles are negatively charged
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