. Given the balanced equation representing a reaction:
Fe2O3 + 2Al Al2O3 + 2Fe
During this reaction, the oxidation number of Fe
changes from

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.

Why is retrograde motion an apparent motion

Volume is a measurement of how fast particles of a substance are moving