How many atoms of silver are present in one mole of silver

If a || b and e || f, what is the value of y ?

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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.