Transition metals to the left of group 11 experience interactions between s electrons and the partially filled d subshell that lower electron mobility."
tɹænsˈɪʃən mˈɛɾəlz tə ðə lˈɛft ʌv ɡɹˈuːp ɪlˈɛvən ɛkspˈiəɹɪəns ˌɪntɚɹˈækʃənz bᵻtwˌiːn ˈɛs ᵻlˈɛktɹɑːnz ænd ðə pˈɑːɹʃəli fˈɪld dˈiː sˈʌbʃɛl ðæt lˈoʊɚɹ ᵻlˈɛktɹɑːn moʊbˈɪlᵻɾi."