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.
In North America, most of the US and much of Canada observe Daylight Saving Time and in Europe, most of Western Europe observes Daylight Saving Time but there are notable exceptions such as Arizona and Hawaii in the US, Saskatchewan and parts of Ontario in Canada and Iceland.