copper(+2) cation 15158-11-9 CHEBI:29036 Cu(2+) copper(2+) copper(2+) ion CU+2 Cu++ Cu2+ cupric ion AIDS-002933 AIDS002933 AIDS-221985 AIDS221985 Copper ion copper(II) cation COPPER (II) ION COPPER(II)ION Copper ions Copper(2+)ions Copper(II)ions Copper, ion (Cu2+) at. no. 29 Cu(II)