Post-transition metal packing structure. Tin forms Zintl phases such as NaSn, BaSn, KSn and CaSn. It has good corrosion resistance in air on account of forming a thin protective oxide layer. Pure tin has no structural uses. It is used in lead-free solders, and as a hardening agent in alloys of other metals, such as copper, lead, titanium and zinc. Lead is a soft metal (MH 1.5, but hardens close to melting) which, in many cases, is unable to support its own weight. It has a close-packed structure (BCN 12) but an abnormally large inter-atomic distance that has been attributed to partial
What Was Lost 2004. Kurt is a security guard at Green Oaks. He has a sleeping disorder. Lisa is the deputy manager of a music store. She is unhappy because of the strange behaviour of her colleagues and customers and because of her relationship with her partner. She becomes friends with Kurt. A girl holding a soft toy is seen in a CCTV security monitor. Kurt and Lisa follow the girl through Green Oaks and investigate how she is connected to Green Oaks' unsettling history. It is revealed that both Kurt and Lisa have connections to the case of the missing girl. "What