Answer:
Their electrons have different allowed energy levels
Explanation:
Elements are the pure form that only consists of the atoms of the same proton number. Distinct colors are produced in the flame test as their electrons have different energy levels.
A flame test is a procedure that detects the presence of chemical substances based on a spectrum and colors emitted by the elements in the flame.
The energy levels of the different elements vary and are defined by the movement of the electrons in the spectra. The energy released and the flame produced by different electrons are different.
Therefore, electrons with various energy levels release flames of different colors.
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