Chemically, the group 11 metals behave like main-group metals in their +1 valence states, and are hence somewhat related to the alkali metals: this is one reason for their previously being labelled as "group IB", paralleling the alkali metals' "group IA".
kˈɛmɪkli, ðə ɡɹˈuːp ɪlˈɛvən mˈɛɾəlz bᵻhˈeɪv lˈaɪk mˈeɪŋɡɹˈuːp mˈɛɾəlz ɪn ðɛɹ plˈʌs wˈʌn vˈeɪləns stˈeɪts, ænd ɑːɹ hˈɛns sˈʌmwʌt ɹᵻlˈeɪɾᵻd tə ðɪ ˈælkəlˌaɪ mˈɛɾəlz: ðɪs ɪz wˈʌn ɹˈiːzən fɔːɹ ðɛɹ pɹˈiːviəsli bˌiːɪŋ lˈeɪbəld æz "ɡɹˈuːp ˌaɪbˈiː", pˈæɹələlɪŋ ðɪ ˈælkəlˌaɪ mˈɛɾəlz "ɡɹˈuːp ˌaɪˈeɪ".