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Properties of NpO2(OH)3

Properties of NpO2(OH)3 (Neptunium(VII) oxide-hydroxide):

Compound NameNeptunium(VII) oxide-hydroxide
Chemical FormulaNpO2(OH)3
Molar Mass319.06739 g/mol

Chemical structure
NpO2(OH)3 (Neptunium(VII) oxide-hydroxide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceBlack solid
Solubility0.01 g/100mL

Alternative Names

Neptunyl hydroxide

Elemental composition of NpO2(OH)3
ElementSymbolAtomic weightAtomsMass percent
NeptuniumNp236.04657173.9802
OxygenO15.9994525.0721
HydrogenH1.0079430.9477
Mass Percent CompositionAtomic Percent Composition
Np: 73.98%O: 25.07%H: 0.95%
Np Neptunium (73.98%)
O Oxygen (25.07%)
H Hydrogen (0.95%)
Np: 11.11%O: 55.56%H: 33.33%
Np Neptunium (11.11%)
O Oxygen (55.56%)
H Hydrogen (33.33%)
Mass Percent Composition
Np: 73.98%O: 25.07%H: 0.95%
Np Neptunium (73.98%)
O Oxygen (25.07%)
H Hydrogen (0.95%)
Atomic Percent Composition
Np: 11.11%O: 55.56%H: 33.33%
Np Neptunium (11.11%)
O Oxygen (55.56%)
H Hydrogen (33.33%)
Identifiers
SMILES[Np+3](=O)=O.[OH-].[OH-].[OH-]
Hill formulaH3NpO5

Related
Molecular weight calculator
Oxidation state calculator

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