Neptunium(IV) oxideNeptunium(IV) oxide or neptunium dioxide is a chemical compound with the chemical formula NpO2, composed of neptunium and oxygen. Solid neptunium(IV) oxide is one of two solid neptunium oxides, the other one being neptunium(V) oxide. Read from the Chembox of the Wikipedia article Neptunium(IV) oxide, revision 1370369876.

Property

Value

Formula

NpO2, 269.05 g/mol

Melting point

2796.85 °C

Density

11.1 g/cm³

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