PLZ HELP Balance the following equations to show the law of conservation of mass: (10 points - 1 point for each correct line)

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.

Ab c or d ? i’m not sure what the answer is

How can the periodic table be used to predict the behavior of elements?