28Ni
Nickel
니켈 · ニッケル
Transition metal
Atomic number28
ElementNi — Nickel
Atomic mass58.693
CategoryTransition metal
Group10
Period4
Electron config[Ar] 3d8 4s2
Shells2,8,16,2
State (RT)Solid
Melting pt1455°C
Boiling pt2913°C
Electronegativity1.91
Discovered1751
Main usesStainless steel, coins, plating
2 · 8 · 16 · 2