Uranium

Uranium

Plutonium

Plutonium

Neptunium

NOK0.00
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SKU
Np-93
Neptunium
Actinides
 
Atomic mass:237.05 u
Melting point:644°C (917.15 K)
Boiling point:3901.85°C (4175 K)
Discovery date:1940
Discovered by:Edwin McMillan, Philip Abelson
This product is a placeholder only and can not be purchased, but can be used in Blueprints as a product to explain its features and functions.
 
Neptunium
Actinides
3D Bohr model from Signal Garden
Neptunium is a chemical element with the symbol Np and atomic number 93. A radioactive actinide metal, neptunium is the first transuranic element. Its position in the periodic table just after uranium, named after the planet Uranus, led to it being named after Neptune, the next planet beyond Uranus.
Wikipedia
Atomic mass:237.05 u
Melting point:644°C (917.15 K)
Boiling point:3901.85°C (4175 K)
Discovery date:1940
Discovered by:Edwin McMillan, Philip Abelson
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