110_Sp10_ex1_A

110_Sp10_ex1_A - CHEMISTRY 110 EXAM 1 Feb. 8, 2010 Form A

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Unformatted text preview: CHEMISTRY 110 EXAM 1 Feb. 8, 2010 Form A ------------------------------------------------------------------------------------------------------------ 1. How many protons, electrons and neutrons does a 9 19 F " ion have? A. 19 protons, 20 electrons and 10 neutrons B. 19 protons, 10 electrons and 10 neutrons C. 9 protons, 19 electrons and 10 neutrons D. 9 protons, 10 electrons and 10 neutrons E. 9 protons, 9 electrons and 10 neutrons ------------------------------------------------------------------------------------------------------------ 2. Water strongly absorbs light at 2700 nm. What is the total energy that would be absorbed by 1 mole of water molecules if each molecule absorbs one photon? A. 7.36 x 10-20 J B. 3.59 x 10-24 J C. 4.43 x 10-8 J D. 3.23 x 10-7 J E. 4.43 x 10 4 J ------------------------------------------------------------------------------------------------------------ 3. What is the wavelength of light emitted for the n i =3 n f =2 electronic transition in a hydrogen atom? A. 656 nm B. 574 nm C. 548 nm D. 472 nm E. 219 nm ------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------ 4. Consider the highest energy electron in the ground state electron configuration of nickel. Identify the shape of the orbital that could be occupied by this electron. A. B. C. D. E. None of the above ------------------------------------------------------------------------------------------------------------ 5. All orbitals in a given subshell have the same value(s) of the _________. i. quantum number n ii. quantum number iii. quantum number m A. iii only B. i, ii, and iii C. i and iii only D. ii and iii only E. i and ii only ------------------------------------------------------------------------------------------------------------ 6. Which of the following shows the correct quantum numbers for an electron in a 3p subshell? A. n = 3, = 0, m = 0, m s = + B. n = 3, = 2, m = 0, m s = C. n = 3, = 1, m = 0, m s = D. n = 3, = 1, m = 1, m s = 0 E. n = 3, = 2, m = 1, m s = + ------------------------------------------------------------------------------------------------------------ 7. Which of the following statements is incorrect ? A. 1 mole of 13 C atoms has 6.02 x 10 23 atoms. B. 1 mole of CO 2 molecules has 6.02 x 10 23 molecules. C. 1 mole of peas has 6.02 x 10 23 peas. D. 1 mole of 13 C atoms has a mass of 13 kg. E. One 13 C atom has a mass of 13 amu....
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110_Sp10_ex1_A - CHEMISTRY 110 EXAM 1 Feb. 8, 2010 Form A

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