Rank the following elements according to the atomic radius: Oxygen, Neon, Helium
Here are the three elements ranked by atomic radius, in descending order (largest to smallest):
1. Neon
2. Oxygen
3. Helium
Complete the following task based on the instruction and optional input provided.### Instruction:
Rank the following elements according to the atomic radius: Oxygen, Neon, Helium

### Output:
Here are the three elements ranked by atomic radius, in descending order (largest to smallest):
1. Neon
2. Oxygen
3. Helium