tableConductivity and Resistivity RangesThe source opens Semiconductor with ranges for metals, semiconductors, and insulators.MaterialResistivityConductivityMetals10−210^{-2}10−2-10−610^{-6}10−610210^2102-10810^8108Semiconductors10−510^{-5}10−5-10−610^{-6}10−610510^5105-10−610^{-6}10−6Insulators101110^{11}1011-101910^{19}101910−1110^{-11}10−11-10−1910^{-19}10−19Variables & Notationρ\rhoρdensity or resistivity depending on contextσ\sigmaσconductivity