Grams needed to prepare the solution

How many grams of n2h4 will be consumed by 23 g of n2o4

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.

What metric units would you use to measure the thickness of a key