lˈɪθiəm ˈɑːksaɪd fˈɔːɹmz ɐlˈɔŋ wɪð smˈɔːl ɐmˈaʊnts ʌv lˈɪθiəm pəɹˈɑːksaɪd wɛn lˈɪθiəm mˈɛɾəl ɪz bˈɜːnd ɪnðɪ ˈɛɹ æt ænd kəmbˈaɪnz wɪð ˈɑːksɪdʒən æt tˈɛmpɹɪtʃɚz əbˌʌv wˈʌnhˈʌndɹɪd dᵻɡɹˈiːz sˈiː:
Lithium oxide forms along with small amounts of lithium peroxide when lithium metal is burned in the air at and combines with oxygen at temperatures above 100 °C: