For example, lithium forms a stable nitride, a property common among all the alkaline earth metals (magnesium's group) but unique among the alkali metals.
fɔːɹ ɛɡzˈæmpəl, lˈɪθiəm fˈɔːɹmz ɐ stˈeɪbəl nˈaɪtɹaɪd, ɐ pɹˈɑːpɚɾi kˈɑːmən ɐmˌʌŋ ˈɔːl ðɪ ˈælkəlˌaɪn ˈɜːθ mˈɛɾəlz mæɡnˈiːziəmz ɡɹˈuːp bˌʌt juːnˈiːk ɐmˌʌŋ ðɪ ˈælkəlˌaɪ mˈɛɾəlz.