It is the cyanide ion. There should be a single negative charge on it
The chemical symbol of copernicium is Cn.
AuCN is gold cyanide. Au is the symbol for gold, and CN is the formula for the cyanide ion.
If you're referring to LDAP, CN = common name
It is an imaginary element not found in periodic table, Ca is the symbol for Calcium, Cd is the symbol for Cadmium so the symbol of Candium may be Cn.
urs cn b IM WITH (HIS NAME) and his cn b IM WITH (UR NAME)
aluminum cyanide
CN( chuck norris) CN( chuck norris)
Cyanide
Na2[Fe(CN)5NO]·2H2O
It can mean "Code Name" as in the popular Korean Band CN BLUE
The chemical name for Pb(CN)₂ is lead(II) cyanide.
NO is nitrogen monoxide or nitric oxide. CN- is cyanide ion