Examlex
Which one of the following is true for the wavelength of the photon emitted when an electron in a hydrogen atom jumps from the ni = 70 state to the nf = 2 state as compared to the wavelength of the photon emitted when the electron jumps from the ni = 4 state to the nf = 2 state?
Grey-Air Smog
A type of air pollution characterized by a mixture of pollutants, including particulate matter and chemicals, that gives the air a dirty, grey appearance.
Carbonic Acid
A weak acid formed when carbon dioxide is dissolved in water, it plays a crucial role in the carbon cycle and ocean acidification.
Soot Particles
Tiny, black carbon particles produced by the incomplete combustion of fossil fuels, wood, and other materials.
Smog
A type of air pollution characterized by a fog-like appearance, resulting from the reaction of sunlight with pollutants such as vehicle emissions and industrial discharges.
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