Cobalt

= Cobalt!! By: Alex Dziuban = Basic facts about Cobalt: Symbol: CO Atomic Number: 27 Atomic Mass: 59 Number of Protons: 27 Number of Neutrons: 32 Number of Electrons: 27 Melting point: 1495 degrees Boiling point: 2927 degrees Normal state: Solid Costs: 100g for $21 Classification: Metal Family: Transition Metal Origin of Name: German- Kobald, Greek-Cobalar Discovered by: Georg Brandt Discovered in:1739

Interesting Info: 1. Cobalt-60, a radioactive isotope of cobalt, is an important source of gamma rays. 2. Cobalts primary ores are cobaltite (CoAsS) and erythrite (Co3[AsO4]2) 3. Cobalt is usually recovered as a byproduct of mining and refining Nickel, Silver, Lead, Copper, and Iron. 4. Kobald means goblin or evil spirit in German. 5. Cobalt-60 has a half-life of 5.27 years. 6. Cobalt compounds are used for glass, pottery, tile, and enamel.