The element sulfur can join together with other elements to form different compounds. The drawings show the element sulfur as a brittle solid that can be easily broken up into smaller pieces. A series of three drawings, the top one is a large mass. The second one is broken pieces of lumps. The third one is a heap of powdered material. What is the smallest part of sulfur that has these properties? (this is science btw)

A. a compound containing sulfur
B. sulfur powder particles
C. a sulfur atom
D. several sulfur atoms joined together