Experiments have been conducted to attempt the synthesis of element 119, which is likely to be the next member of the group; none were successful.
ɛkspˈɛɹɪmənts hɐvbɪn kəndˈʌktᵻd tʊ ɐtˈɛmpt ðə sˈɪnθəsˌɪs ʌv ˈɛlɪmənt wˈʌnhˈʌndɹɪd nˈaɪntiːn, wˌɪtʃ ɪz lˈaɪkli təbi ðə nˈɛkst mˈɛmbɚɹ ʌvðə ɡɹˈuːp; nˈʌn wɜː səksˈɛsfəl.