How many protons are in cesium-135 (cs)? 35, 55, 80, 195

if u look at the periodic table of elements cesium is element 55 so it has 55 protons

i don't know people like to fight everywhere rip.

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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