Input interpretation
period 2 elements | atomic radius
Summary
median | 68 pm highest | 145 pm (lithium) lowest | 38 pm (neon) distribution |
Units
Ranked values
| | visual | ratios | 8 | neon | | 0.26 | 1 7 | fluorine | | 0.34 | 1.3 6 | oxygen | | 0.41 | 1.6 5 | nitrogen | | 0.45 | 1.7 4 | carbon | | 0.48 | 1.8 3 | boron | | 0.59 | 2.2 2 | beryllium | | 0.72 | 2.8 1 | lithium | | 1 | 3.8
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 70 pm | highest | 145 pm (lithium) | lowest | 50 pm (fluorine) | distribution | atomic radius (calculated) | median | 62 pm | highest | 167 pm (lithium) | lowest | 38 pm (neon) | distribution | covalent radius | median | 74 pm | highest | 128 pm (lithium) | lowest | 57 pm (fluorine and neon) | distribution | van der Waals radius | median | 155 pm | highest | 182 pm (lithium) | lowest | 147 pm (fluorine) | distribution |
Units
Atomic radius rankings
1 | neon | 38 pm 2 | fluorine | 50 pm 3 | oxygen | 60 pm 4 | nitrogen | 65 pm 5 | carbon | 70 pm 6 | boron | 85 pm 7 | beryllium | 105 pm 8 | lithium | 145 pm
Unit conversions for median atomic radius 68 pm
0.067 nm (nanometers)
6.8×10^-11 meters
2.7×10^-9 inches
0.68 Å (ångströms)
Comparisons for median atomic radius 68 pm
≈ 2.2 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 2.7 × atomic radius of hydrogen ( ≈ 25 pm )