APAtomicTheoryWS1_0809

APAtomicTheoryWS1_0809 - AP Chemistry Atomic Structure 7...

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AP Chemistry Atomic Structure – 7 Worksheet Name: ____________________________________ Date: ____________________ Per: ____ 1. At its closest approach, Mars is 56million km from Earth. How long would it take to send a radio message from a space probe on Mars to Earth when the planets are at this closest distance? 2. The second is defined as the time it takes for 9,192,631,770 wavelengths of a certain transition of the cesium-133 atom to pass a fixed point. What is a) the frequency of this electromagnetic radiation? b) its wavelength? 3. The energy required to dissociate the Cl 2 molecule to Cl atoms is 239kJ/mol Cl 2 . If the dissociation of a Cl 2 molecule were accomplished by the absorption of a single photon whose energy was exactly the quantity required, what would be its wavelength (in meters)? 4. In the stratosphere, ultraviolet radiation with a frequency of 1.36x10 15 s -1 can break C-Cl bonds in chlorofluorocarbons (CFCs), which can lead to stratospheric ozone depletion. Calculate
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APAtomicTheoryWS1_0809 - AP Chemistry Atomic Structure 7...

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