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Chemical Elements.com - Cobalt (Co)

https://chemicalelements.com/elements/co.html

“Basic Information Name: Cobalt Symbol: Co Atomic Number: 27 Atomic Mass: 58.9332 amu Melting Point: 1495.0 °C (1768.15 K, 2723.0 °F) Boiling Point: 2870.0 °C (3143.15 K, 5198.0 °F) Number of Protons/Electrons: 27 Number of Neutrons: 32 Classification: Transition Metal Crystal Structure: Hexagonal...” (from the page’s text)

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