110_Fa10_Ex1_A - CHEMISTRY 110 EXAM 1 FORM A-1 What are the...

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CHEMISTRY 110 EXAM 1 SEPTEMBER 20, 2010 FORM A ----------------------------------------------------------------------------------------- 1. What are the correct numbers of protons, neutrons and electrons in a 39 K + ion? p n e A. 20 19 18 B. 20 19 19 C. 19 20 18 D. 19 20 19 E. 20 19 20 ----------------------------------------------------------------------------------------- 2. Which set of quantum numbers is not permissible for an electron in an atom? ----------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------- 3. Of the atoms below, which one is the most electronegative? ----------------------------------------------------------------------------------------- 4. Which of the following ionization processes requires the most energy? ----------------------------------------------------------------------------------------- 5. Which of the following statements is true? A. Ultraviolet light has a longer wavelength than infrared. B. Red light has a higher frequency than blue light. C. The wavelength of visible light is directly proportional to its frequency. D. X-ray has lower energy than microwave. E. Radio waves have a longer wavelength than visible light. -----------------------------------------------------------------------------------------
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----------------------------------------------------------------------------------------- 6. Which of the following could be an orbital diagram for a neutral carbon atom in an excited state? 1s 2s 2p -----------------------------------------------------------------------------------------
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