Input interpretation
![helium | atomic radius/helium | van der Waals radius](../image_source/02125b0849d179fd4cdf332b647140d5.png)
helium | atomic radius/helium | van der Waals radius
Results
![0.2214](../image_source/92499ee4f0f9b0d74404526493ce5496.png)
0.2214
![helium | atomic radius | 31 pm (picometers) helium | van der Waals radius | 140 pm (picometers)](../image_source/2fd60b3b847d4ba8916c9e99b35c0bbc.png)
helium | atomic radius | 31 pm (picometers) helium | van der Waals radius | 140 pm (picometers)