The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- NetFaradaicCurrent (0 members)
- CompiledLanguage (0 members)
- ParticleSourceDensity (0 members)
- ErbiumAtom (0 members)
- TransformationProcess (0 members)
- Electrogravimetry (0 members)
- BatteryMeasurementResult (0 members)
- Graphite (0 members)
- LuminousIntensityDimension (0 members)
- IonExchangeMembrane (0 members)
- NeptuniumAtom (0 members)
- FullFlowCell (0 members)
- PlutoniumSymbol (0 members)
- ElectricCurrentMeasurement (0 members)
- Catholyte (0 members)
- AbsorbedDoseRate (0 members)
- PureNumberUnit (0 members)
- Reductionistic (0 members)
- ElectricCharge (0 members)
- JavaScript (0 members)
- IUPACName (0 members)
- Polarity (0 members)
- ManufacturingSystem (0 members)
- Rotation (0 members)
- MassConcentration (0 members)
- Graphite (0 members)
- SingleComponentComposition (0 members)
- EffectiveDiffusionCoefficient (0 members)
- StateOfCharge (0 members)
- DiffusionCurrent (0 members)
- AvogadroConstant (0 members)
- ManganeseSymbol (0 members)
- Voltage (0 members)
- NMCCell (0 members)
- PouchCellContainer (0 members)
- MilliampereHourPerSquareCentimetre (0 members)
- DirectCoulometryAtControlledCurrent (0 members)
- VoltammetryAtARotatingDiskElectrode (0 members)
- MassFractionUnit (0 members)
- AstatineAtom (0 members)
- CathodicPolarization (0 members)
- PraseodymiumAtom (0 members)
- Energy (0 members)
- FabricatedElectrodeSeparation (0 members)
- ReferenceUnit (0 members)
- Real (0 members)
- MiningSite (0 members)
- Millimetre (0 members)
- DysprosiumSymbol (0 members)
- Extensive (0 members)