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Astronomy Chemical element

Kopernikio

Kopernikio (Cn) is a synthetic chemical element belonging to the category Transition metal, with atomic number 112 and atomic mass 285.0000 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

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Astronomy · Chemical element

Copernicium

EL34

Identity

  • Name: Kopernikio
  • Symbol: Cn
  • Atomic number: 112
  • Atomic mass: 285.0000 u

Position in the periodic table

  • Group: 12
  • Period: 7
  • Category: Transition metal

Physico-chemical properties

  • Standard state: Unknown (synthetic, very short-lived element)
  • Melting point: Unknown (only theoretical estimates)
  • Density: Very high (predicted)
  • Electron configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s²

Scientific description

Kopernikio is a synthetic chemical element with symbol Cn and atomic number 112. It belongs to the category of Transition metal and occupies group 12 and period 7 in the periodic table. Its standard atomic mass is 285.0000 u. Because it is extremely radioactive and very short-lived, most of its physical properties are known only from theoretical predictions.