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Like other rare earth metals
New Mexico under the code name "Trinity"
Produced in vast numbers and continuously improved throughout the war
This is a great way to get kids and students interested and excited about chemistry
which heralded a new era of rocket technology
Cobalt Element Cube Mini Museum Like other rare earth metalsCobalt's atomic number is 27 and its symbol is Co. Cobalt is often synonymous with the color Cobalt Blue'', however, pure cobalt ranges from a lustrous silver to dark grey color. The blue color that is associated with cobalt is the result of cobalt and halogen gas compounds. Cobalt gets its from German miners that would refer to blue cobalt containing ore as kobold ore which is German for goblin ore. Cobalt compounds have been used as dyes since 1400
