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Science: Chemistry: Elements: Neptunium

See also:

Britannica Nobel Prize: Neptunium
Overview and basic data.

ChemGlobe: Neptunium
Electronic, thermal, and steric data along with an isotope table. Neptunium
Basic information, atomic structure, and isotopes table. Neptunium
Atomic structure, chemical and physical properties, and table of nuclides.

It's Elemental: Neptunium
Basic physical and historical information.

LANL: Neptunium
Basic information and history.

Lenntech: Neptunium
Physical data, chemical properties, health and environmental effects.

Data tables and historic information.

Visual Elements: Neptunium
General and physical information, source, and key isotopes.

WebElements: Neptunium
Extensive information on history, uses, compounds, and properties.

Wikipedia: Neptunium
Notable characteristics, history, occurrence, isotopes, and weapons applications.


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