Question

What is Nickel Element?​

Answer 1

Answer:

• Nickel is a chemical element with the symbol Ni and atomic number 28.
• It is a silvery-white lustrous metal with a slight golden tinge.
• Nickel belongs to the transition metals and is hard and ductile.

Symbol: Ni

Atomic number: 28

Electron configuration: [Ar] 3d⁸4s²

Oxidation states: −2, −1, 0, +1, +2, +3, +4 (a mildly basic oxide)

Crystal structure: face-centered cubic (fcc)

Atomic radius: empirical: 124 pm

Answer 2

Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge.