Talbica is a set of Chemistry tools: Periodic table, Compounds database and Reactions reference. Periodic table provides more than 50 properties for each element. Besides basic attributes, such as atomic weight and oxidation states, elements are packed with key properties like boiling and melting points, density, resistivity and conductivity, and enhanced with advanced data such as ionization energies, spectral lines, half-life period and so forth. Compounds database includes 4600 chemical com