Input interpretation
f block ions
Members
lanthanum(III) cation | cerium(III) cation | cerium(IV) cation | praseodymium(III) cation | neodymium(III) cation | samarium(III) cation | europium(II) cation | europium(III) cation | gadolinium(III) cation | terbium(III) cation | dysprosium(III) cation | holmium(III) cation | erbium(III) cation | thullium(III) cation | ytterbium(III) cation | lutetium(III) cation | actinium cation | thorium(IV) cation | protactinium(V) cation | uranium(VI) cation (total: 20)
Ionic radii
6-coordinate ionic radius | median | 94 pm | lowest | 73 pm (uranium(VI) cation) | highest | 117 pm (europium(II) cation) 8-coordinate ionic radius | median | 105 pm | lowest | 86 pm (uranium(VI) cation) | highest | 125 pm (europium(II) cation) 10-coordinate ionic radius | median | 125 pm | lowest | 107 pm (cerium(IV) cation) | highest | 135 pm (europium(II) cation) 12-coordinate ionic radius | median | 125.5 pm | lowest | 114 pm (cerium(IV) cation) | highest | 136 pm (lanthanum(III) cation)
Units