Gold vs Mercury

Side-by-side comparison of Gold (Au, element 79) and Mercury (Hg, element 80) by atomic structure and physical properties.

PropertyAu Gold Hg Mercury
Atomic number7980
SymbolAuHg
NameGoldMercury
Categorytransition-metaltransition-metal
Standard Atomic Weight196.966569 u200.592 u
Period66
Group1112
Blockdd
Phase at STPSolidLiquid
Electron configuration[Xe]4f145d106s1[Xe]4f145d106s2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 5][-2, 1, 2]
Electronegativity (Pauling)2.542
Electron affinity2.3086 eV-0.5 eV
Density1.9282e+4 kg/m³1.35336e+4 kg/m³
Melting point1064.18 °C-38.83 °C
Boiling point2855.85 °C356.73 °C
Discovery yearN/AN/A

Key Differences

PropertyAu GoldHg Mercury
Standard Atomic Weight196.966569 u ↓ lower200.592 u ↑ higher
Density1.9282e+4 kg/m³ ↑ higher1.35336e+4 kg/m³ ↓ lower
Melting point1064.18 °C ↑ higher-38.83 °C ↓ lower
Boiling point2855.85 °C ↑ higher356.73 °C ↓ lower
Electronegativity (Pauling)2.54 ↑ higher2 ↓ lower
Electron affinity2.3086 eV ↑ higher-0.5 eV ↓ lower
Group11 12
Phase at STPSolid Liquid
Electron configuration[Xe]4f145d106s1 [Xe]4f145d106s2