A heated nichrome wire was immersed in the solution that is being studied and then placed in the flame of a gas burner. The flame colored yellow-green as a result. What cations are present in the solution?
- A Sodium cations
- B Potassium cations
- C Ammonium cations
- D Calcium cations
- E Barium cations
Правильна відповідь: E. Barium cations
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