Detailed Product Description Integrated CharactersName, Symbol, No. Indium, In, 49Series Weak MetalGroup, Period, Block13(A),5,PDensity & Hardness 7310kg/m31.2Color & AppearanceSilvery-gray LusterContent in the Earth's Crust1×10-5%Atomic PropertiesAtomic Weight114.818 Atomic Weight UnitAtomic Radius (Calculated Value)155(156) pmCovalent Radius144pmVan Der Waals Radius193pmValence Electron ...