Answer: Particles in a Gold Ring. You have a pure
Chapter 21, Problem 21.4(choose chapter or problem)
Particles in a Gold Ring. You have a pure (24-karat) gold ring of mass 10.8 g. Gold has an atomic mass of 197 g>mol and an atomic number of 79. (a) How many protons are in the ring, and what is their total positive charge? (b) If the ring carries no net charge, how many electrons are in it?
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