![]() The origin of the word Cobalt comes from the German word "Kobalt" or "Kobold," which translates as "goblin," "elf" or "evil spirit. An aqueous pink solution of cobalt(II) chloride changes to deep blue. Co-60, a commercially important radioisotope, is useful as a radioactive tracer and gamma ray source. (d) tetrahedral complexes have larger crystal field splitting than octahedral complex. Cobalt is a ferromagnetic metal and is used primarily in the production of magnetic and high-strength superalloys. Cobalt produces brilliant blue pigments which have been used since ancient times to color paint and glass. Cobalt is found in cobaltite, erythrite, glaucodot and skutterudite ores. In its elemental form, cobalt has a lustrous gray appearance. Cobalt was first discovered by George Brandt in 1732. The cobalt atom has a radius of 125 pm and a Van der Waals radius of 192 pm. ![]() The number of electrons in each of cobalt's shells is 2, 8, 15, 2 and its electron configuration is 3d 7 4s 2. Cobalt (atomic symbol: Co, atomic number: 27) is a Block D, Group 9, Period 4 element with an atomic weight of 58.933195. Thin Film Deposition & Evaporation Materials.Additive Manufacturing & 3D Printing Materials. ![]() "Novel drug makes mice slim even on sugary, fatty diet". "Limiting Mrs2-dependent mitochondrial Mg2+ uptake induces metabolic programming in prolonged dietary stress". Ramachandran, Karthik Uthayabalan, Sukanthathulse Allen, Cristel Osidele, Ayodeji Stanley, Kristen Bigham, Nicholas P. Vishnu, Neelanjan Venkateswaran, Mridula K. Venkatesan, Manigandan Maity, Soumya Stein, Miriam C. "Magnesium Magic: New Drug Delivers Weight Loss Even on Sugary, Fatty Diet".
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