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radium-266 may emit a photon

radium-266 may emit a photon of light with a frequency of 4.5x 10^19 s^-1 when it undergoes nuclear fission. what is the
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2. asked by jj
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An atom absorbs a yellow photon in the transition from its 2s to its 3s state (see figure on the left, not drawn to scale). What
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2. asked by nadya
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In addition to uranium, which elements were known to emit radioactive "rays" before M. Curie discovered radium?
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2. asked by Lilly
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An electron drop to what energy level is likely to emit a photon in the infrared region?
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2. asked by James
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An electron drop to what energy level is likely to emit a photon in the infrared region?
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2. asked by liz
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Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1 nm=10-9m. What is the energy of a
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2. asked by Maria
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Radium is a member of the alkaline earth family. In addition to being a part of this family, what is another property of radium
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In an atom, an electron in which of these sublevels can absorb a photon of energy but cannot emit one?a. 3s b. 2s c. 3p d. 1s e.
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2. asked by C.
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An excited atom emits a photon of a certainfrequency. Then two photons of this frequency fly towards the atom. Which of the
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2. asked by zachary
3. 1,103 views
An excited atom emits a photon of a certainfrequency. Then two photons of this frequency fly towards the atom. Which of the
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2. asked by Lyndsay
3. 613 views