On the other hand, the ionic radius of the Uue+ ion is predicted to be larger than that of Rb+, because the 7p orbitals are destabilised and are thus larger than the p-orbitals of the lower shells.
ɔnðɪ ˈʌðɚ hˈænd, ðɪ aɪˈɑːnɪk ɹˈeɪdɪəs ʌvðɪ ˈuː plˈʌs ˈaɪɑːn ɪz pɹɪdˈɪktᵻd təbi lˈɑːɹdʒɚ ðɐn ðæt ʌv ˌɑːɹbˈiː plˈʌs, bɪkˈʌz ðə sˈɛvən pˈiː ˈɔːɹbɪɾəlz ɑːɹ diːstˈeɪbəlˌaɪzd ænd ɑːɹ ðˈʌs lˈɑːɹdʒɚ ðɐn ðə pˈiːˈɔːɹbɪɾəlz ʌvðə lˈoʊɚ ʃˈɛlz.