Sort the following list from lowest to highest according to the number of electrons:
Sodium, Chlorine, Iron
The sorted list of elements from lowest to highest according to the number of electrons is: Sodium, Chlorine, Iron.
Complete the following task based on the instruction and optional input provided.### Instruction:
Sort the following list from lowest to highest according to the number of electrons:

### Input:
Sodium, Chlorine, Iron

### Output:
The sorted list of elements from lowest to highest according to the number of electrons is: Sodium, Chlorine, Iron.