79Au
Gold
금 · 金
Transition metal
Atomic number79
ElementAu — Gold
Atomic mass196.97
CategoryTransition metal
Group11
Period6
Electron config[Xe] 4f14 5d10 6s1
Shells2,8,18,32,18,1
State (RT)Solid
Melting pt1064°C
Boiling pt2856°C
Electronegativity2.54
DiscoveredAncient
Main usesJewelry, electronics, currency
2 · 8 · 18 · 32 · 18 · 1