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Summary

Summary on Nuclear Physics

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Summary on the topics of: - Atoms - Radioactivity - Decay - Halftime

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Physik Nuclear physics Klasse 12


Nuclear physics
Atoms


Nucleus: protons & neutrons
Size ≈10-15
r


Shell/orbital: electrons
Radius ≈ 10-10
Size electrons ≈ 10-18




Elements
Example: Hydrogen
𝐀
𝐙𝐗 →
A = number of nucleons (protons & neutrons)
Z = charge number (number of protons (≙ number of electrons))
𝟏 𝟐 𝟑
𝟏𝐇 𝟏𝐇 𝟏𝐇
Protonium Deuterium Tritium
1 p+ 1 p+ + 1n 1 p+ + 2n


➔ Three different isotopes of hydrogen
Abbreviation:
Examples:
2
1H ≡ H–2
235
92U ≡ U-235

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Gymnasium
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1
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June 14, 2022
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2019/2020
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Summary
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