Connecting Chemistry


Atomic symbol: Ni
Atomic number: 28
Atomic mass: 58.69

Appearance: Metallic silver solid with a gold tinge at 25°C

Group: 10
Period: 4
Series: Transition metals
Block: d
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s² or 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁹ 4s¹

Mainly used to make alloys such as nickel steel and in rechargeable batteries.

Fun Fact! The US 5 cents coin, the “nickel”, is actually only 25% nickel and 75% copper.