Input interpretation
group 3 ions | total number of protons
Total number of protons rankings
1 | scandium(III) cation | 21 2 | scandium(II) cation | 21 3 | scandium(I) cation | 21 4 | yttrium(III) cation | 39 5 | yttrium(II) cation | 39 6 | yttrium(I) cation | 39 7 | lutetium(III) cation | 71 8 | lawrencium(III) cation | 103