110 Fa08 ex1 A

110 Fa08 ex1 A - CHEMISTRY 110 EXAM 1 FORM A-1 A certain...

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CHEMISTRY 110 EXAM 1 SEPTEMBER 22, 2008 FORM A ------------------------------------------------------------------------------------------------------------ 1. A certain liquid has a density of 2.67 g/mL. What is the volume of 1340 g of this liquid? A. 1.99 × 10 3 L B. 50.2 L C. 3.58 L D. 35.8 L E. 0.502 L ------------------------------------------------------------------------------------------------------------ 2. Aluminum reacts with a certain nonmetallic element to form a compound with the general formula AlX. Element X is a diatomic gas at room temperature. Element X must be __________. A. oxygen B. fluorine C. chlorine D. nitrogen E. sulfur ------------------------------------------------------------------------------------------------------------ 3. Which atom has the smallest number of neutrons? A. 14 C B. 14 N C. 16 O D. 19 F E. 20 Ne ------------------------------------------------------------------------------------------------------------ 4. How many protons are associated with a 34 S 2 ion? A. 15 B. 16 C. 17 D. 18 E. none of the above ------------------------------------------------------------------------------------------------------------
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------------------------------------------------------------------------------------------------------------ 5. The most prominent line in the spectrum of aluminum is 396.15 nm. What is the frequency of this line? A. 5.02 × 10 19 s 1 B. 1.32 × 10 6 s 1 C. 3.96 × 10 14 s 1 D. 7.57 × 10 14 s 1 E. 2.52 × 10 8 s 1 ------------------------------------------------------------------------------------------------------------ 6. Which of the following photons have an energy that is less than the energy of a green photon with λ = 500 nm? I. ultraviolet photon II. X-ray photon III microwave photon A. I only B. II only C. III only D. I and II E. I and III ------------------------------------------------------------------------------------------------------------ 7. How many orbitals in an atom have both n = 4, = 2? A. 2 B. 5 C. 6 D. 10 E. 14 ------------------------------------------------------------------------------------------------------------ 8. What is the ground state electron configuration for Zn? A. [Kr] 4s
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110 Fa08 ex1 A - CHEMISTRY 110 EXAM 1 FORM A-1 A certain...

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