ZnO = 30g Mg - 30g find the amount of 2n formed when 4, 48 1 of it is released When the mixture is heated to HCL.

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.

Draw metallic bonding if two copper

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?