Input interpretation
metallic elements | atomic radius
Summary
median | 160 pm highest | 260 pm (cesium) lowest | 105 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 radius in picometers)
Atomic radius rankings
1 | beryllium | 105 pm 2 | arsenic | 115 pm 3 | aluminum | 125 pm 4 | osmium | 130 pm 5 | ruthenium | 130 pm 6 | gallium | 130 pm 7 | gold | 135 pm 8 | platinum | 135 pm 9 | iridium | 135 pm 10 | rhenium | 135 pm ⋮ | | 63 | polonium | 190 pm 64 | thallium | 190 pm 65 | actinium | 195 pm 66 | lanthanum | 195 pm 67 | strontium | 200 pm 68 | radium | 215 pm 69 | barium | 215 pm 70 | potassium | 220 pm 71 | rubidium | 235 pm 72 | cesium | 260 pm (based on 72 values; 22 unavailable)
Unit conversions for median atomic radius 160 pm
0.16 nm (nanometers)
1.6×10^-10 meters
6.3×10^-9 inches
1.6 Å (ångströms)
Comparisons for median atomic radius 160 pm
≈ 5.2 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 6.4 × atomic radius of hydrogen ( ≈ 25 pm )