You have a balloon containing 3 l of air at stp in a vacuum chamber. what will the volume of the balloon be when you reduce the pressure to 50 kpa and increase the temperature to 450 k? a) 7.00 l b) 9.89 l c) 0.68 l d) 5.46 l

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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