Some of the few properties of francium that have been predicted taking relativity into account are the electron affinity (47.2 kJ/mol) and the enthalpy of dissociation of the Fr2 molecule (42.1 kJ/mol).
sˌʌm ʌvðə fjˈuː pɹˈɑːpɚɾiz ʌv fɹˈænsiəm ðæt hɐvbɪn pɹɪdˈɪktᵻd tˈeɪkɪŋ ɹˌɛlətˈɪvᵻɾi ˌɪntʊ ɐkˈaʊnt ɑːɹ ðɪ ᵻlˈɛktɹɑːn ɐfˈɪnᵻɾi fˈoːɹɾi sˈɛvən.tˈuː kˈeɪ dʒˈeɪ slˈæʃ mˈɑːl ænd ðɪ ɛnθˈælpi ʌv dɪsˌoʊsɪˈeɪʃən ʌvðɪ ˌɛfˈɑːɹ tˈuː mˈɑːlɪkjˌuːl fˈoːɹɾi tˈuː.wˈʌn kˈeɪ dʒˈeɪ slˈæʃ mˈɑːl.