Input interpretation
elements | nuclear radius
Summary
median | 2.585 fm highest | 3.202 fm (potassium) lowest | 1.2 fm (hydrogen) distribution | | (based on 19 values; 99 unavailable)
Entities with missing values
calcium | scandium | titanium | vanadium | chromium | manganese | iron | cobalt | nickel | copper | ... (total: 99)
Distribution plots
(nuclear radius in femtometers)
Nuclear radius rankings
1 | hydrogen | 1.2 fm 2 | helium | 1.512 fm 3 | lithium | 1.731 fm 4 | beryllium | 1.905 fm 5 | boron | 2.052 fm 6 | carbon | 2.181 fm 7 | nitrogen | 2.296 fm 8 | oxygen | 2.4 fm 9 | fluorine | 2.496 fm 10 | neon | 2.585 fm 11 | sodium | 2.669 fm 12 | magnesium | 2.747 fm 13 | aluminum | 2.822 fm 14 | silicon | 2.892 fm 15 | phosphorus | 2.959 fm 16 | sulfur | 3.024 fm 17 | chlorine | 3.086 fm 18 | argon | 3.145 fm 19 | potassium | 3.202 fm (based on 19 values; 99 unavailable)
Unit conversions for median nuclear radius 2.585 fm
2.585×10^-15 meters
1.018×10^-13 inches
Comparisons for median nuclear radius 2.585 fm
≈ 0.92 × classical electron radius ( ≈ 2.8×10^-15 m )
≈ 3.1 × proton root-mean-square charge radius ( ≈ 8.4×10^-16 m )