Question

Which of the following describes the specific copper ion in the compound, CuS?

Cupride ion

Copper (I) ion

Copper (II) ion

Cupride (I) ion

Answer 1

@pnathaniel56 @Kevin

Answer 2

im here

Answer 3

copper(1) ion

Answer 4

Why Copper (I) ion?

Answer 5

Copper (II) ion, Copper always lose 2 electrons when forming compounds

Answer 6

Okay, thanks.

Answer 7

So,
\[Cu^{2+} ~means~ Cu(II)~ion\]

Answer 8

Thanks.

Answer 9

CuS --> Cu2+ + S2-

Copper (II) ion