is polythene ductile or brittle?
it is ductile. For hardened stainless steel it gets less ductile, but not brittle.
Boron is an extremely brittle element.
Brittle
Silicon has a Brittle-to-Ductile transition at around ~500 C.
Ductile and brittle are NOT the same thing. In fact, almost the opposite.
Yes!
Doubtful. Ductile by definition means "not brittle, easily stretched, malleable".
Sulfur is brittle.
A fluoride salt is brittle.
brittle
more brittle