Input interpretation
gaseous elements (at STP) | nuclear radius
Summary
median | 2.448 fm highest | 3.145 fm (argon) lowest | 1.2 fm (hydrogen) distribution | | (based on 8 values; 3 unavailable)
Entities with missing values
krypton | xenon | radon (total: 3)
Nuclear radius rankings
1 | hydrogen | 1.2 fm 2 | helium | 1.512 fm 3 | nitrogen | 2.296 fm 4 | oxygen | 2.4 fm 5 | fluorine | 2.496 fm 6 | neon | 2.585 fm 7 | chlorine | 3.086 fm 8 | argon | 3.145 fm (based on 8 values; 3 unavailable)
Unit conversions for median nuclear radius 2.448 fm
2.448×10^-15 meters
9.638×10^-14 inches
Comparisons for median nuclear radius 2.448 fm
≈ 0.87 × classical electron radius ( ≈ 2.8×10^-15 m )
≈ 2.9 × proton root-mean-square charge radius ( ≈ 8.4×10^-16 m )