Answer: The energy gap between the 6s and 5d levels in
Chapter 8, Problem 8.154(choose chapter or problem)
The energy gap between the 6s and 5d levels in gold is 4.32 3 10219 J. Based on this information, predict the perceived color of gold vapor. (Hint: You need to be familiar with the notion of complementary color; see Figure 23.18.)
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