Why is it so difficult to experience the northern lights here in michigan? I need to know noww

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

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What substance has a mass of 9.5g and volume of 2.1cm^3