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Which of the following statements are true? Pick all that apply. a. Electrons ge

ID: 2299503 • Letter: W

Question

Which of the following statements are true? Pick all that apply.

a. Electrons generally occupy the state with the highest possible energy.

b. Atoms of different elements have the same energy levels and therefore elemental composition cannot be determined by spectroscopic analysis.

c. The wavelength of light can be measured by a diffraction grating.

d. Two ways for atoms to emit photons is by thermal and electrical excitation.

e. When electrons jump from a higher energy level to a lower energy level, photons are emitted.

f. The visible lines of the hydrogen spectrum are members of Balmer series.

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Explanation / Answer

c. The wavelength of light can be measured by a diffraction grating.

d. Two ways for atoms to emit photons is by thermal and electrical excitation.

e. When electrons jump from a higher energy level to a lower energy level, photons are emitted.

f. The visible lines of the hydrogen spectrum are members of Balmer series.

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