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
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
