ˈʌðɚ "sˈuːdoʊˈælkəlˌaɪ mˈɛɾəlz" ɪŋklˈuːd ðɪ ˌælkɪlɐmˈoʊniəm kˈæɾaɪənz, ɪnwˌɪtʃ sˌʌm ʌvðə hˈaɪdɹədʒən ˈæɾəmz ɪnðɪ æmˈoʊniəm kˈæɾaɪən ɑːɹ ɹᵻplˈeɪst baɪ ˈælkaɪl ɔːɹ ˈɑːɹɹɪl ɡɹˈuːps.
Other "pseudo-alkali metals" include the alkylammonium cations, in which some of the hydrogen atoms in the ammonium cation are replaced by alkyl or aryl groups.