Mario takes a cup of water and adds one drop of blue food coloring. He stirs the solution. His lab partner, Liza, records their observations and then adds another cup of water to the solution. What will happen? A) The solution will get warmer. B) The volume of the container will go down. C) The mass of the container will not change. D) The color of the solution will get lighter.

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.

if it's not useful, feel free to report for mistake in answer.

answer: mole of the gas

answer: mole of the gasexplanation: