ðə lˈɑːɹdʒ ænd vˈɛɹi wˈiːkli pˈoʊlɚɹˌaɪzɪŋ ˈælkəlˌaɪ mˈɛɾəl kˈæɾaɪənz kæn stˈeɪbəlˌaɪz lˈɑːɹdʒ, ɚɹoʊmˈæɾɪk, pˈoʊlɚɹˌaɪzəbəl ɹˈædɪkəl ˈænaɪənz, sˈʌtʃ ɐz ðə dˈɑːɹkɡɹˈiːn sˈoʊdiəm nˈæfθeɪlnˌaɪd, nˈɑː plˈʌs sˈiː tˈɛn ˈeɪtʃ ˈeɪt mˈaɪnəs, ɐ stɹˈɔŋ ɹᵻdˈuːsɪŋ ˈeɪdʒənt.
The large and very weakly polarising alkali metal cations can stabilise large, aromatic, polarisable radical anions, such as the dark-green sodium naphthalenide, Na+[C10H8•]−, a strong reducing agent.