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92U

Uranium

우라늄 · ウラン

Actinide

Atomic number92
ElementUUranium
Atomic mass238.03
CategoryActinide
Group3
Period7
Electron config[Rn] 5f3 6d1 7s2
Shells2,8,18,32,21,9,2
State (RT)Solid
Melting pt1132°C
Boiling pt4131°C
Electronegativity1.38
Discovered1789
Main usesNuclear fuel and weapons
U92
2 · 8 · 18 · 32 · 21 · 9 · 2
Bohr model

Group 3