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15 cards from this deck
Protons and neutrons
+1
0
-1
1×10−101 \times 10^{-10}1×10−10 m
10,000 times smaller
In the nucleus
Ball of +ve charge with -ve electrons embedded
Atom is mostly empty space
Mass concentrated in centre
Energy levels or shells
The neutron
Number of protons and electrons
Protons + neutrons
Moves to higher energy level
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