What pairs of ions produce similar colours in the flame test? Use your periodic table of elements to explain the reason for this.
I think it's the different groups of elements, but I'm not sure.
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You did an experiment? What did you observe.What pairs of ions did you use?
The pairs with similar colours were Ba2+ and Cu2+, and Sr2+ and Li+. Ba and Cu had light green-ish colours, and Sr and Li had red colours. I don't know why they produced similar colour though, the question says to use the periodic table
2 answers