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Astronomy Chemical element

Gold

Gold (Au) is a chemical element belonging to the category Transition metal, with atomic number 79 and atomic mass about 196.9700 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

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Astronomy · Chemical element

Gold

EL27

Identity

  • Name: Gold
  • Symbol: Au
  • Atomic number: 79
  • Atomic mass: 196.9700 u

Position in the periodic table

  • Group: 11
  • Period: 6
  • Category: Transition metal

Physico-chemical properties

  • Standard state: Solid
  • Melting point: High (≈1064°C)
  • Density: Very high (≈19.3 g/cm³)
  • Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s¹

Scientific description

Gold is a chemical element with symbol Au and atomic number 79. It belongs to the category of Transition metal and occupies group 11 and period 6. Its standard atomic mass is about 196.9700 u.