Because it's called Cuprum in latin
The element copper (Cuprum in Latin) is symbolised by Cu
Cu is Copper!Cu - is the symbol for copper.
Well, the priodic symbol for copper is Cu; I'm not sure if that is exactly what you're looking for...
The standard notation for copper is Cu.
The chemical formula for copper is Cu
Copper has Cu as its chemical symbol.
(CU) is the symbol for spot copper
Cu, which is derived from the Latin word for copper, cuprum.
Cu the ion of copper is generally Cu 2+
Cu(NO3)2 and CuNO3 cupric (Cu-II) and cuprous (Cu-I) nitrate
Cu = Copper Periodic[{}]€£¥+*^#/:)
It generally refers to Copper(II) nitrate: Cu(NO3)2