QUESTION: Why do the following materials not react? Pb(NO3)2 + Cu → No Reaction
Because Copper is more active than the Lead in the compound.
Because Copper is less active than the Lead in the compound.
Because Copper is more active than the Nitrate in the compound.
Because Copper is less active than the Nitrate in the compound.

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.

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

What are the two largest greenhouse gases