General Chemistry quizzes
How atoms and molecules shape matter’s properties, from chemical bonds to why ice floats on water.
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From General Chemistry: Why Ice Floats on Water
Why does each metal give fireworks its own specific color, such as copper for green?
- Each metal burns at its own temperature
- The metals reflect the flame differently
- Its electrons emit set energies falling back
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Answer: Its electrons emit set energies falling back
Heated electrons jump to higher levels and emit light of exact energies as they drop back, unique to each element.
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