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15 cards from this deck
Protons and neutrons
Mass: 1, Charge: +1
Mass: 1, Charge: 0
Mass: 0 (0.0005), Charge: -1
1×10−101 × 10^{-10}1×10−10 metres
10,000 times smaller
In the nucleus
Interaction with EM radiation
Ball of +ve charge with -ve electrons embedded
Atom is mostly empty space
Mass is concentrated in the centre
Specific distances where electrons orbit nucleus
James Chadwick
Number of protons and electrons
Electron moves from lower to higher energy level
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