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Neptunium
NOK0.00
In stock
SKU
Np-93
Neptunium
Actinides
Â
Atomic mass:237.05Â u
Melting point:644°C (917.15 K)
Boiling point:3901.85°C (4175 K)
Discovery date:1940
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.
Â
Neptunium
Actinides
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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.
WikipediaAtomic mass:237.05Â u
Melting point:644°C (917.15 K)
Boiling point:3901.85°C (4175 K)
Discovery date:1940
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