Graphite is an interesting material, an allotrope of carbon (as is diamond). It displays properties of both metals, and nonmetals. However, like a metal, graphite is a very good conductor of electricity due to the mobility of the electrons in its outer valence shells.
Arizona, Hawaii, American Samoa, Puerto Rico and the Virgin Islands donât participate in daylight saving. Indiana used to be split, but opted for daylight saving in 2005.
Two U.S. states currently do not observe daylight saving time: Arizona (except the Navaho Nation) and Hawaii. The U.S. territories in the Pacific and the Caribbean also do notâ¦ observe daylight saving time. Until 2006 or 2007, much of Indiana did not observe daylight saving time, but that is no longer the case.