O chem Chapter 1

O chem Chapter 1 - Chapter 1 Structure Determines...

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Chapter 1 Structure Determines Properties Student: ___________________________________________________________________________ 1. What is the ground state electron configuration of carbon? A. 1s 2 2s 2 2p x 1 B. 1s 2 2s 2 2p x 2 C. 1s 2 2s 2 2p x 1 2p y 1 D. 1s 2 2s 2 2p x 2 2p y 1 2. Which of the following has(have) the same electron configuration as Ne? Na - Mg 2+ O 2- Mg + A. Na - and O 2- B. Mg 2+ and O 2- C. Mg + and O 2- D. only Mg 2+ 3. What is the letter designation given to dumbbell shaped orbitals like the one depicted below? A. s B. p C. d D. f 4. What is the charge on the phosphorus ion in Na 3 P? A. -3 B. -1 C. +1 D. +3
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5. Predict which bond is the most polar in ethanol, CH 3 CH 2 OH? A. C—C B. C—H C. C—O D. O—H 6. Which one of the following is the conjugate base of NH 3 ? A. NH 4 + B. H + C. N 3- D. NH 2 7. Which one of the following is the ionic compound formed between magnesium and chlorine? A. MgCl B. MgCl 2 C. Mg 2 Cl 3 D. MgCl 3 8. Identify the condensed formula of the following structure: A. (CH 3 ) 2 CHCHClCH(CH 3 ) 2 B. CH 3 CH(CH 3 )CHClCH(CH 3 ) 2 C. (CH 3 ) 2 CHCHClC(CH 3 ) 3 D. (CH 3 ) 3 CCHClCH(CH 3 ) 2
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9. What is the chemical formula of the following carbon skeleton diagram? A. C 8 H 14 B. C 8 H 16 C. C 8 H 18 D. C 8 H 20 10. How many hydrogen atoms are there on carbon atoms 1 and 2, respectively, in the structure below? A. 4, 1 B. 4, 0 C. 3, 1 D. 3, 0 11. How many C 3 H 8 O constitutional isomers are possible? A. one B. two C. three D. four
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12. Which of the following best describes the relationship between the following two structures? A.
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This note was uploaded on 09/14/2010 for the course CHE Chem 232-2 taught by Professor Clement during the Summer '10 term at CUNY Lehman.

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O chem Chapter 1 - Chapter 1 Structure Determines...

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