Cn

Copernicium Symbol (Cn)

Copernicium is element 112 of the periodic table. Copy its symbol Cn and see its atomic weight, electron configuration and physical properties.

What does Cn mean?

Cn is the chemical symbol for copernicium, element number 112 in the periodic table. Copernicium is a transition metal in group 12, period 7. It is expected to be a solid at room temperature and was discovered in 1996.

Codes and properties

Chemical symbolCn
Atomic number (Z)112
Mass number (no standard atomic weight)[286]
Group / period12 / 7
Element categorytransition metal
Electron configuration[Rn]7s² 5f¹⁴ 6d¹⁰ (predicted)
State at 20 °CExpected to be a Solid
Oxidation states2, 1, 0
Discovered1996

How to type Cn

  • Plain text: type Cn — element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase.
  • Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
  • LaTeX: write \mathrm{Cn} in math mode, or use the mhchem package: \ce{Cn}.
  • HTML: Cn; for subscripts use <sub>, e.g. H<sub>2</sub>O.

Frequently asked questions

What is the chemical symbol for copernicium?

The chemical symbol for copernicium is Cn.

What is the atomic number of copernicium?

Copernicium has atomic number 112, meaning each atom has 112 protons.

What is the electron configuration of copernicium?

The ground-state electron configuration of copernicium is [Rn]7s² 5f¹⁴ 6d¹⁰ (predicted).

Related symbols

Reference: Copernicium on PubChem (NIH)