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CEM 141 Bundled Exam Questions Package with Correct Answers

CEM 141 Bundled Exam Questions Package with Correct Answers

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CEM 141 Certification Exam Questions and CORRECT Answers

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CEM 141 Certification Exam Questions and CORRECT Answers Wavelength (λ) - Ans The top of one peak to another, distance in m or nm Amplitude - Ans the height of peaks (intensity) Frequency (v) - Ans the number of waves per second, Hz, 1/s, or s^1 Frequency vs Wavelength - Ans Energy of light i...

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CEM 141 Exam Guide Questions and CORRECT Answers

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CEM 141 Exam Guide Questions and CORRECT Answers What is gravitational force - Ans when a force is stronger, potential energy ________ - Ans decreases What causes atoms to approach for London Dispersion forces? - Ans attractive coulombic interaction when atoms get closer together, the poten...

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CEM 141 Forecasted Exam Questions and CORRECT Answers

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CEM 141 Forecasted Exam Questions and CORRECT Answers Why are alpha particles deflected by the nucleus of the atom? - Ans Because both the alpha particle and the nucleus are positively charged and so the alpha particle is repelled. True/False: All atoms of an element are identical and have the...

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CEM 141 PASSED Exam Questions and CORRECT Answers

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CEM 141 PASSED Exam Questions and CORRECT Answers Evidence that light is a wave - Ans Light is a wave because when light goes through 2 slits a diffraction pattern occurs. Reasoning that light is a wave - Ans the waves from each slit meet "in phase" or "out of phase" when the waves meet ...

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CEM 141 UPDATED Exam Questions and CORRECT Answers

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CEM 141 UPDATED Exam Questions and CORRECT Answers Is there such a thing as a "scientific method?" - Ans no What do scientists do? - Ans 1. ask questions 2. design experiments 3. gather/analyze data and evidence 4. make claims (based on the data/evidence) 5. develop models, explanations, a...

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