110Sp09ex1 A

110Sp09ex1 A - CHEMISTRY 110 EXAM 1 FEBRUARY 9, 2009 FORM A

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Unformatted text preview: CHEMISTRY 110 EXAM 1 FEBRUARY 9, 2009 FORM A ------------------------------------------------------------------------------------------------------------ 1. Which of the following has the longest wavelength? A. x-rays B. visible light C. radio waves D. ultraviolet radiation E. infrared light ------------------------------------------------------------------------------------------------------------ 2. Which of the following represents the orbital that has an unpaired electron in a ground state Fe atom? A. B. C. D. E. None of the above ----------------------------------------------------------------------------------------------------------- 3. Which element is the least electronegative? A. Rb B. Be C. Cl D. S E. F ------------------------------------------------------------------------------------------------------------ 4. The formula of magnesium bromide is ___________. A. Mg(BrO 4 ) 2 B. MgBr 2 C. Mg(BrO 3 ) 2 D. Mg 2 Br E. MgBrO 2 ------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------ 5. Which one of the following atoms has an electron with the following quantum numbers when it is in its ground state? n = 2, = 1, m = 1, m s = – ½ A. Li B. He C. Be D. C E. H ------------------------------------------------------------------------------------------------------------ 6. The density of nickel is 8.90 g/cm 3 . What is the mass of a cube of nickel that is 5.00 cm on each side? A. 1.78 × 10 3 g B. 7.12 × 10 –2 g C. 44.5 g D. 14.0 g E. 1.11 × 10 3 g ------------------------------------------------------------------------------------------------------------ 7. An electron in which subshell of bromine would experience the greatest effective nuclear charge? A. 3s B. 3d C. 3p D. 1s E. 2p ------------------------------------------------------------------------------------------------------------ 8. Which of the following pairs are isotopes of each other? A. Na and K B. O and O 2– C. P 3– and P 5+ D. S 2– and Cl – E. 125 I and 127 I ------------------------------------------------------------------------------------------------------------ 5. Which one of the following atoms has an electron with the following quantum numbers when it is in its ground state?...
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This note was uploaded on 07/16/2011 for the course CHEM 110 taught by Professor Hofmann,brucerob during the Spring '08 term at Penn State.

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110Sp09ex1 A - CHEMISTRY 110 EXAM 1 FEBRUARY 9, 2009 FORM A

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