Input interpretation
![alkali metals | van der Waals radius](../image_source/e3aa1c508d9ffbaa614b885b9a5e1ea1.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/02464700dbf561738a8df4a180807823.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/a87f907e852fb161a3f44cf21c1314ee.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/6f061fb5009fc9a248547e5401637659.png)
| | visual | ratios | 3 | lithium | | 0.66 | 1 2 | sodium | | 0.83 | 1.25 1 | potassium | | 1 | 1.51
Plot
![Plot](../image_source/08d2144cab4a2a29a2f0282b394d7512.png)
Plot
Periodic table location
![Periodic table location](../image_source/8ff953e9d9ac107f1c45dbc38381100d.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/c6a9fda9501e32ffefe25037db2befde.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/dd762892df0592d25c44b1501050184e.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/e3e4444fde5f73a2cbd6962e2e79759a.png)
0.227 nm (nanometers)
![2.27×10^-10 meters](../image_source/f6f9c6f26126bc4abc774528dcd28700.png)
2.27×10^-10 meters
![8.94×10^-9 inches](../image_source/0e3d06b1cf090169b8549ac87fdb3fb3.png)
8.94×10^-9 inches
![2.27 Å (ångströms)](../image_source/76c864246b49f673859253131e6863e5.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/a2000615a9942c3993b1cf1fe84a71b2.png)
≈ 7.3 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
![≈ 9.1 × atomic radius of hydrogen ( ≈ 25 pm )](../image_source/7a64105e7a0976d2c26ad78214387825.png)
≈ 9.1 × atomic radius of hydrogen ( ≈ 25 pm )