Input interpretation
group 1 ions | total number of protons
Total number of protons rankings
1 | lithide(1-) anion | 3 2 | lithium cation | 3 3 | sodide(1-) anion | 11 4 | sodium cation | 11 5 | potassium cation | 19 6 | rubidium cation | 37 7 | cesium cation | 55 8 | francium cation | 87