How many moles of atoms are contained in the cube?

19.3 g / 197 g/mol = 0.0980 moles Au 1 mole of Au contains 79 moles of electrons, so, 0.0980 mol X 79 = 7.74 moles of electrons in the cube.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.