State whether these molecules contain an ionic bond or only covalent bonds, and draw their lewis structures (figure 1-16 in the textbook give en values for most of the periodic table). ch2oli i chci chsnh3f

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.