Question

During a flame test, ions of a specific metal are heated in the flame of a gas burner. A
characteristic color of light is emitted by these ions in the flame when the electrons
a gain energy as they return to lower energy levels
b gain energy as they move to higher energy levels
emit energy as they return to lower energy levels
1 emit energy as they move to higher energy levels

Answer 1

Answer: C. emit energy as they return to lower energy levels

Explanation:

Answer 2

The flame emitted has been the result of return of electrons to the lower energy level. Thus, option C is correct.

The flame test has been performed for the detection of elements in a sample. The flame has been a high energy radiation that has been able to excite the lower energy electrons.

The electrons on excitation become unstable and returns to the lower energy by the emission of absorbed radiations. The emitted radiation is in the visible region and helps in the identification of the elements by the color of flame.

The flame emitted has been the result of return of electrons to the lower energy level. Thus, option C is correct.

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