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.
The two US states that don't observe Daylight Saving Time are Arizona and Hawaii. Daylight Saving Time is also NOT observed in Hawaii, American Samoa, Guam, Puerto Rico, theâ¦ US Virgin Islands, and the Northern Marianas. In Arizona, the Navajo Indian Reservation does observe DST.