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cobalt is a gray silvery metal

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12y ago

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  1. Cobalt is a hard, lustrous, silver-gray metal.
  2. It is commonly used in rechargeable batteries, magnetic alloys, and pigments.
  3. Cobalt is an essential trace element for humans and animals, playing a role in vitamin B12 synthesis.
  4. The main producers of cobalt are the Democratic Republic of the Congo, China, and Russia.
  5. Cobalt has a high melting point and is resistant to corrosion.
  6. Exposure to high levels of cobalt can lead to lung and heart problems.
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10mo ago
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