Question

look at the two forms of copper. one copper ion can have a charge of +1 and the other +2. according to the stock system name cu+ is ____ and cu2+ is ____. formula cation name stock system name sncl2 sn2+ stannous chloride tin (ii) chloride sncl4 sn4+ stannic chloride tin (iv) chloride cuo cu2+ cupric oxide copper (ii) oxide cu2o cu+ cuprous oxide copper (i) oxide cof2 co2+ cobaltous fluoride cobalt (ii) fluoride aucl3 au3+ auric chloride gold (iii) chloride copper (ii), copper (i) copper (i), copper (ii) copper yellow, copper orange this is a required question

Explanation:

In the Stock system, the charge of the cation is indicated by a Roman - numeral in parentheses after the element name. For $\text{Cu}^+$, the charge is +1, so it is named copper (I). For $\text{Cu}^{2 + }$, the charge is +2, so it is named copper (II).

Answer:

copper (I), copper (II)