The Blue element ( but not sad )

- Finds use in high speed steels and cutting tool

-Produced as a byproduct from the production of copper, nickel, and lead

- Sterilization in medicine and of foods

- Alloyed with iron, nickel and other metals to make Alnico ( jet engines and gas turbine engines )

- Used in magnetic sheets and stainless steels

- Used in electroplating because of appearance, hardness, and resistance to oxidation

- An artificial isotope , an important Y ray source

- Extensively used as a tracer and a radio therapeutic agent

- Was value of the early civilizations of Egypt and Mesopotamia for coloring glass, deep blue

- German word meaning “Kobald” meaning “goblin: or evil spirit

- Atomic number 27

- Atomic weight 58.933195 (5)

- Classsification metallic

- Color Blueish tinge, lustrous

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