Feb 2 HW-solutions - chauhan (mmc2762) Feb 2 HW sparks...

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Unformatted text preview: chauhan (mmc2762) Feb 2 HW sparks (51150) 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. Before next class, preview sections 13.1, 13.14, and 13.5. Dont forget that there is also an entire extra practice worksheet on periodic trends on Blackboard. 001 10.0 points Which of the following would be expected to have chemical properties similar to those of sulfur? 1. F 2. Mg 3. P 4. Ar 5. Se correct 6. Si Explanation: 002 10.0 points Which of the following atoms has the largest radius? 1. H 2. Na correct 3. P 4. Ar 5. Al 6. F Explanation: Atomic radii increase from left to right and from top to bottom on the Periodic Table. 003 10.0 points List in order of increasing atomic size (small- est to largest) the atoms whose atomic num- bers are 6, 32, 7. 1. 6, 7, 32 2. 32, 6, 7 3. 32, 7, 6 4. 7, 6, 32 correct Explanation: Element Electronic configuration 6 2 4 [He] 2 s 2 p Group 4, Period 2 Valence electrons in period 2 7 2 5 [He] 2 s 2 p Group 5, Period 2 Valence electrons in period 2 32 2 8 18 4 [Ar] 4 s 3 d 4 p Group 4, Period 4 Valence electrons in period 4...
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This note was uploaded on 04/03/2012 for the course CHEM 56920 taught by Professor Sparks during the Spring '12 term at University of Texas at Austin.

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Feb 2 HW-solutions - chauhan (mmc2762) Feb 2 HW sparks...

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