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The top documents tagged [electrons balance]
1 Chapter 31 Nuclear Physics and Radioactivity. 2 1. Nuclear Structure a)Proton - positive charge - mass 1.673 x 10 -27 kg ≈ 1 u b) Neutron - discovered
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Essential Chemistry for Biology Chapter 2. Why Chemistry?? Chemicals make up everything! Body Environment Food
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Essential Chemistry for Biology Chapter 2. Tracing Life Down to the Chemical Level
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