Mercury (Hg) Properties and Facts

Element 80 - Transition Metal

What are the basic properties of Mercury?

Mercury (symbol: Hg) is a transition metal with atomic number 80. Its atomic mass is 200.59 u, and it belongs to period 6 and group 12.

What is the electron configuration of Mercury?

The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 6s²

What are the physical properties of Mercury?

Melting point: 234.32 K
Boiling point: 629.88 K
Density: 13.53 g/cm³

What are the known isotopes of Mercury?

  • Hg-196: 0.15% abundance
  • Hg-198: 9.97% abundance
  • Hg-199: 16.87% abundance
  • Hg-200: 23.1% abundance
  • Hg-201: 13.18% abundance
  • Hg-202: 29.86% abundance
  • Hg-204: 6.87% abundance

What is the biological role and occurrence of Mercury?

Biological role: No known biological role
Natural occurrence: Found in cinnabar ore

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