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