Help me with the vital signs and diagnostic signs and past medical history and patient history what is the answer for them according to the case pls help

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.

Drug abuse will not lead to physical and psychological dependence. true or false ?

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2