Hey! Can someone help me with this chemistry work? I don’t understand it

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

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.

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring