copper(+1) cation 17493-86-6 Copper(I) ion CU+ Cu(I) cuprous ion Copper ion (Cu+) Copper ion(1+) Copper(1+) Copper(I) COPPER (I) ION Copper, ion (Cu1+) (8CI,9CI) Cu1+ Cuprous cation Cuprous ion (Cu1+) Copper(1+)ions Copper, ion (Cu1+)