Search

atomic radius of iron

Input interpretation

iron | atomic radius
iron | atomic radius

Result

140 pm (picometers)
140 pm (picometers)

Periodic table location

Periodic table location
Periodic table location

Atomic radii properties

atomic radius (empirical) | 140 pm atomic radius (calculated) | 156 pm covalent radius | 132 pm
atomic radius (empirical) | 140 pm atomic radius (calculated) | 156 pm covalent radius | 132 pm

Units

Unit conversions

0.14 nm (nanometers)
0.14 nm (nanometers)
1.4×10^-10 meters
1.4×10^-10 meters
5.51×10^-9 inches
5.51×10^-9 inches
1.4 Å (ångströms)
1.4 Å (ångströms)

Comparisons as atomic radius

 ≈ 4.5 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 4.5 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
 ≈ 5.6 × atomic radius of hydrogen ( ≈ 25 pm )
≈ 5.6 × atomic radius of hydrogen ( ≈ 25 pm )