What little is known about francium shows that it is very close in behaviour to caesium, as expected.
wˌʌt lˈɪɾəl ɪz nˈoʊn ɐbˌaʊt fɹˈænsiəm ʃˈoʊz ðˌɐɾɪt ɪz vˈɛɹi klˈoʊs ɪn bᵻhˈeɪvjɚ tə sˈiːsiəm, æz ɛkspˈɛktᵻd.