Find the weighted average of these values. col1 value 5.00 6.00 7.00col2 weight 75.0 % 15.0 % 10.0 %

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.

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

In which situation can a mixture always be called a solution