Input interpretation
![alkali metals | van der Waals radius](../image_source/69b039ee0d58faadbcf3c5fca55c7719.png)
alkali metals | van der Waals radius
Summary
![median | 227 pm highest | 275 pm (potassium) lowest | 182 pm (lithium) distribution | | (based on 3 values; 3 unavailable)](../image_source/d210c68cb0094df723cb941df9adbdaf.png)
median | 227 pm highest | 275 pm (potassium) lowest | 182 pm (lithium) distribution | | (based on 3 values; 3 unavailable)
Entities with missing values
![rubidium | cesium | francium (total: 3)](../image_source/995978101d0af83cd2781cc586a459da.png)
rubidium | cesium | francium (total: 3)
Ranked values
![| | visual | ratios | 3 | lithium | | 0.66 | 1 2 | sodium | | 0.83 | 1.25 1 | potassium | | 1 | 1.51](../image_source/40aa0bc84f0483008430cb30fcd3c7eb.png)
| | visual | ratios | 3 | lithium | | 0.66 | 1 2 | sodium | | 0.83 | 1.25 1 | potassium | | 1 | 1.51
Plot
![Plot](../image_source/fda8fc13f16233a1cae015903c508af6.png)
Plot
Periodic table location
![Periodic table location](../image_source/023b74ebbabe0089ed91787258c12463.png)
Periodic table location
Atomic radii properties
![atomic radius (empirical) | median | 220 pm | highest | 260 pm (cesium) | lowest | 145 pm (lithium) | distribution | atomic radius (calculated) | median | 243 pm | highest | 298 pm (cesium) | lowest | 167 pm (lithium) | distribution | covalent radius | median | 212 pm | highest | 260 pm (francium) | lowest | 128 pm (lithium) | distribution | van der Waals radius | median | 227 pm | highest | 275 pm (potassium) | lowest | 182 pm (lithium) | distribution |](../image_source/c121928073fbf571db612b6bf89e1b49.png)
atomic radius (empirical) | median | 220 pm | highest | 260 pm (cesium) | lowest | 145 pm (lithium) | distribution | atomic radius (calculated) | median | 243 pm | highest | 298 pm (cesium) | lowest | 167 pm (lithium) | distribution | covalent radius | median | 212 pm | highest | 260 pm (francium) | lowest | 128 pm (lithium) | distribution | van der Waals radius | median | 227 pm | highest | 275 pm (potassium) | lowest | 182 pm (lithium) | distribution |
Units
Van der Waals radius rankings
![1 | lithium | 182 pm 2 | sodium | 227 pm 3 | potassium | 275 pm (based on 3 values; 3 unavailable)](../image_source/b14db282e0cb342e54af993baf80fd30.png)
1 | lithium | 182 pm 2 | sodium | 227 pm 3 | potassium | 275 pm (based on 3 values; 3 unavailable)
Unit conversions for median van der Waals radius 227 pm
![0.227 nm (nanometers)](../image_source/daaf1a3b875a811691059e324e87978c.png)
0.227 nm (nanometers)
![2.27×10^-10 meters](../image_source/dc2899ee241f818abe3aef8f23edc01b.png)
2.27×10^-10 meters
![8.94×10^-9 inches](../image_source/ae30d2405523d432fbdf92377b1c2376.png)
8.94×10^-9 inches
![2.27 Å (ångströms)](../image_source/f6448f835f0e41de6f70ee8adcb412d4.png)
2.27 Å (ångströms)
Comparisons for median van der Waals radius 227 pm
![≈ 7.3 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )](../image_source/67ebe33ca12053fadca87e3d81402474.png)
≈ 7.3 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
![≈ 9.1 × atomic radius of hydrogen ( ≈ 25 pm )](../image_source/2f9f088a8e0eeb0ef12390378cfbbbb9.png)
≈ 9.1 × atomic radius of hydrogen ( ≈ 25 pm )