Input interpretation
period 2 elements | atomic diameter
Summary
median | 130 pm highest | 290 pm (lithium) lowest | 76 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 diameter rankings
1 | neon | 76 pm 2 | fluorine | 100 pm 3 | oxygen | 120 pm 4 | nitrogen | 130 pm 5 | carbon | 140 pm 6 | boron | 170 pm 7 | beryllium | 210 pm 8 | lithium | 290 pm
Unit conversions for median atomic diameter 130 pm
0.13 nm (nanometers)
1.3×10^-10 meters
5.3×10^-9 inches
1.3 Å (ångströms)
Comparisons for median atomic diameter 130 pm
≈ 0.4 × diameter of a carbon atom ( ≈ 340 pm )
≈ (0.00132 to 1.8) × diameter of a molecule ( 0.74 to 1000 Å )
≈ 2.2 × atomic diameter of helium (the smallest atom) ( ≈ 62 pm )