The group 11 metals (or coinage metals), copper, silver, and gold, are typically categorised as transition metals given they can form ions with incomplete d-shells.
ðə ɡɹˈuːp ɪlˈɛvən mˈɛɾəlz ɔːɹ kˈɔɪnɪdʒ mˈɛɾəlz, kˈɑːpɚ, sˈɪlvɚ, ænd ɡˈoʊld, ɑːɹ tˈɪpɪkli kˈæɾɪɡɚɹˌaɪzd æz tɹænsˈɪʃən mˈɛɾəlz ɡˈɪvən ðeɪ kæn fˈɔːɹm ˈaɪɑːnz wɪð ɪŋkəmplˈiːt dˈiːʃˈɛlz.