Exam1B - CHEM 1211K Exam One Practice Test B 1. Which of...

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CHEM 1211K Exam One Practice Test B 1 1. Which of the following statements regarding electromagnetic radiation is true? A) Electromagnetic radiation with a wavelength of 400 nm travels faster than that with a wavelength of 600 nm. B) The frequency of electromagnetic radiation determines how fast it travels. C) Electromagnetic radiation with a wavelength of 400 nm has a frequency that is smaller than that with a wavelength of 600 nm. D) Electromagnetic radiation with a wavelength of 600 nm travels faster than that with a wavelength of 400 nm. E) Electromagnetic radiation with a wavelength of 600 nm has a frequency that is smaller than that with a wavelength of 400 nm. 2. Estimate the energy of the wave shown below. A) 1 x 10 -9 J B) 2 x 10 -9 J C) 2 x 10 -15 J D) 1 x 10 -16 J E) Not enough information is given to permit calculation of the frequency. 3. Antimony, Sb, has two stable isotopes with experimentally determined masses of 120.904 amu ( 121 Sb) and 122.904 amu ( 123 Sb). What is the universal percent abundance of the isotope with more neutrons? A) 1.60% B) 42.8% C) 57.2% D) 98.4% E) 99.1%
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CHEM 1211K Exam One Practice Test B 2 4. What is the chemical formula for the compound containing the iron(III) cation and the sulfate anion? A) Fe
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This note was uploaded on 01/16/2012 for the course CHEM 1211 taught by Professor Ford during the Fall '09 term at Georgia Institute of Technology.

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Exam1B - CHEM 1211K Exam One Practice Test B 1. Which of...

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