What is the voltage of a galvanic cell made with magnesium and gold

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.

Enzymes affect the reactions in living cells by changing the

What type of reaction fuels the processes seen here?