Why do you think that the electrons are not shown?

The answer is c) pyrite

Steel shot weighs about two-thirds as much.hoped i can i get brainliest

13 protons and 14 neutrons.  this also means that the amount of electrons also is 13 because electrons have the same amount as protons..the atomic number means the amount of protons (which effectively tells you the electrons) the atomic mass, tells you the amount of protons and neutrons in the nucleus.hope this . 

Your answer is c for shure