No. It is an intensive property because it is not dependent upon the amount of material.
extensive property
Width is an extensive property.
Extensive
it is an extensive property
Extensive property
It is an extensive property.
I consider that the term "use" for an extensive property is not adequate.
Mass is an extensive physical property.
No. Unit of surface tension is energy per area. An extensive property divided by an extensive property becomes intensive.
Extensive
extensive
It is an extensive property.