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12 questions from this quiz
Tiny spheres that cannot be divided
1897
Ball of +ve charge with -ve electrons in it
Gold foil
Positive charge
Most alpha particles passed straight through
Centre contains a great deal of mass
Energy levels or shells
James Chadwick
No. of electrons = no. of protons
0.10.10.1 nm or 1×10−101 \times 10^{-10}1×10−10 m
0
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