Explanation:
From flame test, one can observe different colors in the procedure. This light given off corresponds to the excitation of electrons by the addition of energy from one energy level to another.
From Bohr's model of atom:
- electrons move round the nucleus in permissible orbits.
- the ground state is the lowest energy state available to the electrons.
- The excited state is higher than the ground state.
- when electrons transition from one energy level to another they must absorb or emit the exact amount of energy which will bring them from their initial to final state.
- It is this energy that is seen as different color due to the photons emitted.
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