<small>[[Chemistry]] | [[18th Century]]</small> | | | |---|---| |Atomic Mass|[47.867 u](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Atomic-Weight)| |Standard State|[solid](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Physical-Description)| |Electron Configuration|[[Ar]4s23d2](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Electron-Configuration)| |Oxidation States|[+4, +3, +2](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Oxidation-States)| |Electronegativity (Pauling Scale)|[1.54](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Electronegativity)| |Atomic Radius (van der Waals)|[187 pm](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Atomic-Radius)| |Ionization Energy|[6.828 eV](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Ionization-Energy)| |Electron Affinity|[0.079 eV](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Electron-Affinity)| |Melting Point|[1941 K](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Melting-Point)| |Boiling Point|[3560 K](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Boiling-Point)| |Density|[4.5 g/cm³](https://pubchem.ncbi.nlm.nih.gov/element/22#section=Density)| |Year Discovered|[1791](https://pubchem.ncbi.nlm.nih.gov/element/22#section=History)|