Nickel is a silvery-white metal with the chemical symbol Ni and atomic number 28. It is a transition metal and is primarily known for its corrosion resistance, ductility, and ability to withstand high temperatures. Nickel is often used in a range of applications due to these properties. Here are some key points about nickel: 1. **Properties**: Nickel is relatively hard and has a high melting point (about 1,455 °C or 2,651 °F).
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The chemical element with atomic number 28. Radioactive nickel-56 is produced in explosive burning; the nickel-56 decay chain contributes energy to supernova emission.