Input interpretation
metallic elements | atomic diameter
Summary
median | 320 pm highest | 520 pm (cesium) lowest | 210 pm (beryllium) distribution | | (based on 72 values; 22 unavailable)
Entities with missing values
francium | curium | berkelium | californium | einsteinium | fermium | mendelevium | nobelium | lawrencium | rutherfordium | ... (total: 22)
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 160 pm | highest | 260 pm (cesium) | lowest | 105 pm (beryllium) | distribution | atomic radius (calculated) | median | 181 pm | highest | 298 pm (cesium) | lowest | 112 pm (beryllium) | distribution | covalent radius | median | 165 pm | highest | 260 pm (francium) | lowest | 96 pm (beryllium) | distribution | van der Waals radius | median | 179 pm | highest | 275 pm (potassium) | lowest | 139 pm (zinc) | distribution |
Units
Distribution plots
(atomic diameter in picometers)
Atomic diameter rankings
1 | beryllium | 210 pm 2 | arsenic | 230 pm 3 | aluminum | 250 pm 4 | osmium | 260 pm 5 | ruthenium | 260 pm 6 | gallium | 260 pm 7 | gold | 270 pm 8 | platinum | 270 pm 9 | iridium | 270 pm 10 | rhenium | 270 pm ⋮ | | 63 | polonium | 380 pm 64 | thallium | 380 pm 65 | actinium | 390 pm 66 | lanthanum | 390 pm 67 | strontium | 400 pm 68 | radium | 430 pm 69 | barium | 430 pm 70 | potassium | 440 pm 71 | rubidium | 470 pm 72 | cesium | 520 pm (based on 72 values; 22 unavailable)
Unit conversions for median atomic diameter 320 pm
0.32 nm (nanometers)
3.2×10^-10 meters
1.26×10^-8 inches
3.2 Å (ångströms)
Comparisons for median atomic diameter 320 pm
≈ 0.3 × carbon nanotube diameter ( ≈ 1 nm )
≈ 0.94 × diameter of a carbon atom ( ≈ 340 pm )
≈ (0.00319 to 4.3) × diameter of a molecule ( 0.74 to 1000 Å )