Input interpretation
f block ions | total number of protons
Distribution plots
Total number of protons rankings
1 | lanthanum(III) cation | 57 2 | cerium(IV) cation | 58 3 | cerium(III) cation | 58 4 | praseodymium(III) cation | 59 5 | neodymium(III) cation | 60 6 | samarium(III) cation | 62 7 | europium(III) cation | 63 8 | europium(II) cation | 63 9 | gadolinium(III) cation | 64 10 | terbium(III) cation | 65 11 | dysprosium(III) cation | 66 12 | holmium(III) cation | 67 13 | erbium(III) cation | 68 14 | thullium(III) cation | 69 15 | ytterbium(III) cation | 70 16 | lutetium(III) cation | 71 17 | actinium cation | 89 18 | thorium(IV) cation | 90 19 | protactinium(V) cation | 91 20 | uranium(VI) cation | 92