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.
They have never observed daylight  savings since.    During daylight saving time (spring through fall), Arizona is on  Pacific time. All other months of the year they observe Mountain  time. The only exception in Arizona is the Navajo Nation, in  northeastern Arizona, which does observe Daylight Saving Time.    Hawaii  Hawaii is closer to the equator and experiences much less variance  in daylight than the rest of the country and therefore opts out of  observing Daylight Saving Time.