This attracts the electrons in the more complex anions towards one of its constituent oxygen atoms, forming an oxide ion and an oxygen atom.
ðɪs ɐtɹˈækts ðɪ ᵻlˈɛktɹɑːnz ɪnðə mˈoːɹ kˈɑːmplɛks ˈænaɪənz təwˈɔːɹdz wˈʌn ʌv ɪts kənstˈɪtʃuːənt ˈɑːksɪdʒən ˈæɾəmz, fˈɔːɹmɪŋ ɐn ˈɑːksaɪd ˈaɪɑːn ænd ɐn ˈɑːksɪdʒən ˈæɾəm.