Question

19 multiple choice 4 points cu, ag, and au are in what group #? 12 2 11 3 9 13 4 5 10 7 18 14 15 8 16 1 17 6

Explanation:

Cu (copper), Ag (silver), and Au (gold) are transition - metals. In the periodic table, they are located in group 11.

Answer:

C. 11