Input interpretation
period 3 elements | nuclear radius
Summary
median | 2.926 fm highest | 3.145 fm (argon) lowest | 2.669 fm (sodium) distribution |
Units
Ranked values
| | visual | ratios | 8 | sodium | | 0.8486 | 1 7 | magnesium | | 0.8736 | 1.029 6 | aluminum | | 0.8972 | 1.057 5 | silicon | | 0.9196 | 1.084 4 | phosphorus | | 0.941 | 1.109 3 | sulfur | | 0.9615 | 1.133 2 | chlorine | | 0.9811 | 1.156 1 | argon | | 1 | 1.178
Nuclear radius rankings
1 | sodium | 2.669 fm 2 | magnesium | 2.747 fm 3 | aluminum | 2.822 fm 4 | silicon | 2.892 fm 5 | phosphorus | 2.959 fm 6 | sulfur | 3.024 fm 7 | chlorine | 3.086 fm 8 | argon | 3.145 fm
Unit conversions for median nuclear radius 2.926 fm
2.926×10^-15 meters
1.152×10^-13 inches
Comparisons for median nuclear radius 2.926 fm
≈ classical electron radius ( ≈ 2.8×10^-15 m )
≈ 3.5 × proton root-mean-square charge radius ( ≈ 8.4×10^-16 m )