Two years later, Mendeleev revised his table, placing hydrogen in group 1 above lithium, and also moving thallium to the boron group.
tˈuː jˈɪɹz lˈeɪɾɚ, mˈɛndɪlˌiːv ɹᵻvˈaɪzd hɪz tˈeɪbəl, plˈeɪsɪŋ hˈaɪdɹədʒən ɪn ɡɹˈuːp wˈʌn əbˌʌv lˈɪθiəm, ænd ˈɔːlsoʊ mˈuːvɪŋ θˈæliəm tə ðə bˈoːɹɑːn ɡɹˈuːp.