Input interpretation
synthetic elements | atomic diameter
Summary
median | 350 pm highest | 370 pm (promethium) lowest | 254 pm (astatine) | (based on 6 values; 23 unavailable)
Entities with missing values
curium | berkelium | californium | einsteinium | fermium | mendelevium | nobelium | lawrencium | rutherfordium | dubnium | ... (total: 23)
Plot
Plot
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | median | 175 pm | highest | 185 pm (promethium) | lowest | 135 pm (technetium) | distribution | atomic radius (calculated) | median | 183 pm | highest | 205 pm (promethium) | lowest | 127 pm (astatine) | distribution | covalent radius | median | 180 pm | highest | 199 pm (promethium) | lowest | 147 pm (technetium) | distribution |
Units
Atomic diameter rankings
1 | astatine | 254 pm 2 | technetium | 270 pm 3 | americium | 350 pm 4 | plutonium | 350 pm 5 | neptunium | 350 pm 6 | promethium | 370 pm (based on 6 values; 23 unavailable)
Unit conversions for median atomic diameter 350 pm
0.35 nm (nanometers)
3.5×10^-10 meters
1.38×10^-8 inches
3.5 Å (ångströms)
Comparisons for median atomic diameter 350 pm
≈ 0.4 × carbon nanotube diameter ( ≈ 1 nm )
≈ diameter of a carbon atom ( ≈ 340 pm )
≈ (0.00349 to 4.7) × diameter of a molecule ( 0.74 to 1000 Å )