Input interpretation
group 18 elements | nuclear radius
Summary
median | 2.585 fm highest | 3.145 fm (argon) lowest | 1.512 fm (helium) distribution | | (based on 3 values; 4 unavailable)
Entities with missing values
krypton | xenon | radon | oganesson (total: 4)
Ranked values
| | visual | ratios | 3 | helium | | 0.4807 | 1 2 | neon | | 0.8221 | 1.71 1 | argon | | 1 | 2.08
Nuclear radius rankings
1 | helium | 1.512 fm 2 | neon | 2.585 fm 3 | argon | 3.145 fm (based on 3 values; 4 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 )