- Argon is a kind of nonmetal
- Nonmetals usually have lower conductivity
- So, argon is the less conductive nonmetal

- Argon is the less conductive nonmetal
- Argon is a kind of element
- Therefore, argon is the less conductive element

So, argon is the less conductive element
[Question]Which of the following elements is the least electrically conductive?
[Context]- Argon is a kind of element 
- Argon is a kind of nonmetal 
- Nonmetals usually have lower conductivity