Given: mass number of gold = 197, density of gold = 19.7 g/cm^2, Avogadro’s number = 6 * 10^23. The radius of the gold atom is approximately: Avogadro's number = 6 * 10^23. The radius of the gold atom is approximately: density of gold = 19.7 g/cm^2 Given: mass number of gold = 197 October [...]