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
Murder Ain't What it Used to Be Murder Ain't What it Used to Be Murder Ain't What it Used to Be is the seventh episode of the popular 1969 ITC British television series "Randall and Hopkirk (Deceased)" starring Mike Pratt, Kenneth Cope and Annette Andre. Directed by Jeremy Summers, the episode was first broadcast on 2 November 1969 on ITV. Crime boss Paul Kirstner flies over to Great Britain from New York City to attend to "business" in London. Behind most of the rackets in Chicago, he hires Jeff to protect his daughter from any of his enemies whilst in London. However, Kirstner is being haunted by