Input interpretation
![period 4 elements | van der Waals radius](../image_source/d17f931f901615e169619e314fe0aa2d.png)
period 4 elements | van der Waals radius
Summary
![median | 185 pm highest | 275 pm (potassium) lowest | 139 pm (zinc) distribution | | (based on 9 values; 9 unavailable)](../image_source/3c21736a0bbf099149af90c1d50df45e.png)
median | 185 pm highest | 275 pm (potassium) lowest | 139 pm (zinc) distribution | | (based on 9 values; 9 unavailable)
Entities with missing values
![calcium | scandium | titanium | vanadium | chromium | manganese | iron | cobalt | germanium (total: 9)](../image_source/b87393be995f777ea46f69a4c51e61fd.png)
calcium | scandium | titanium | vanadium | chromium | manganese | iron | cobalt | germanium (total: 9)
Plot
![Plot](../image_source/47c3be1b91123cb9e2782e4ae6b3ec35.png)
Plot
Periodic table location
![Periodic table location](../image_source/e32192480a1e5c9f2888d330086ae1fb.png)
Periodic table location
Atomic radii properties
![atomic radius (empirical) | median | 135 pm | highest | 220 pm (potassium) | lowest | 115 pm (3 elements) | distribution | atomic radius (calculated) | median | 150 pm | highest | 243 pm (potassium) | lowest | 88 pm (krypton) | distribution | covalent radius | median | 129 pm | highest | 203 pm (potassium) | lowest | 116 pm (krypton) | distribution | van der Waals radius | median | 185 pm | highest | 275 pm (potassium) | lowest | 139 pm (zinc) | distribution |](../image_source/3cbf14cfa28b6db2d05066d756c6f082.png)
atomic radius (empirical) | median | 135 pm | highest | 220 pm (potassium) | lowest | 115 pm (3 elements) | distribution | atomic radius (calculated) | median | 150 pm | highest | 243 pm (potassium) | lowest | 88 pm (krypton) | distribution | covalent radius | median | 129 pm | highest | 203 pm (potassium) | lowest | 116 pm (krypton) | distribution | van der Waals radius | median | 185 pm | highest | 275 pm (potassium) | lowest | 139 pm (zinc) | distribution |
Units
Van der Waals radius rankings
![1 | zinc | 139 pm 2 | copper | 140 pm 3 | nickel | 163 pm 4 | bromine | 185 pm 5 | arsenic | 185 pm 6 | gallium | 187 pm 7 | selenium | 190 pm 8 | krypton | 202 pm 9 | potassium | 275 pm (based on 9 values; 9 unavailable)](../image_source/92dca40ddcd0bcf1d96875900ea37a70.png)
1 | zinc | 139 pm 2 | copper | 140 pm 3 | nickel | 163 pm 4 | bromine | 185 pm 5 | arsenic | 185 pm 6 | gallium | 187 pm 7 | selenium | 190 pm 8 | krypton | 202 pm 9 | potassium | 275 pm (based on 9 values; 9 unavailable)
Unit conversions for median van der Waals radius 185 pm
![0.185 nm (nanometers)](../image_source/2c4d888ac6107aaa141590756148f56a.png)
0.185 nm (nanometers)
![1.85×10^-10 meters](../image_source/b333f995e89a3aca4c0dbddcbfc88926.png)
1.85×10^-10 meters
![7.28×10^-9 inches](../image_source/b436ee710a8bd04f3aacf14f82ae0674.png)
7.28×10^-9 inches
![1.85 Å (ångströms)](../image_source/9d2e993798a98f6c69a35e5e446ce767.png)
1.85 Å (ångströms)
Comparisons for median van der Waals radius 185 pm
![≈ 6 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )](../image_source/b8b92b62ff6a7d4ae2ea5c822f5c1235.png)
≈ 6 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
![≈ 7.4 × atomic radius of hydrogen ( ≈ 25 pm )](../image_source/fe51545563984096763316ad20089e1d.png)
≈ 7.4 × atomic radius of hydrogen ( ≈ 25 pm )