Correct electron configuration for boron

What is the formula for the molecular compound nitrogen monoxide

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

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.