Exam1- D Key

Exam1- D Key - Exam 1 Form D 1. E 2. B 3. E 4. D 5. A 6. C...

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Exam 1 – Form D 1. E 2. B 3. E 4. D 5. A 6. C 7. C 8. A 9. B 10. C 11. D 12. D 13. A 14. B 15. C 16. 33 p + , 40 n o , 36 e 73 As 3 20 p + , 22 n o , 18 e 42 Ca 2+ 17. a) Zr 4d b ) S 3 p c ) C s 6 s 18. a) Zr 2 b ) S 2 c ) C s 1 19. a) Kr 4s 2 4p 6 b ) T a 6 s 2 5d 3 20. (2 points each) In each pair , circle the lower energy orbital 3 d o n C o O R 3 d o n R h 2 p o n C O R 2 s o n B e 3 d o n F e O R 4 s o n F e 21. Ge germanium Sr strontium Mn manganese 22. a) Ni(ClO 3 ) 2 n i c k e l ( I I ) c h l o r a t e b ) N a 2 O 2 s o d i u m p e r o x i d e c ) Z n S z i n c ( I I ) s u l f i d e 23. a) gold(III) chloride AuCl 3 b) rubidium sulfate Rb 2 SO 4 c ) m e r c u r y ( I I ) c h l o r i d e H g C l 2 24. a) What is the mass of 4.22 x 10 24 P atoms? atoms 10 x 6.02 g 30.97 x atoms 10 x .22 4 23 24 b) How many moles of O are in a sample of Na 2 S 2 O 8 that also contain 0.450 g of Na? Na g 22.99 x 2 O mol 8 x Na g 0.450
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1. Which of the following samples contains the greatest number of atoms? A) 32 g of O B) 30 g of Ne C) 72 g of Ge D) 32 g of Cu E) 3 g of H 2. Which of the following samples contains the least mass? A) 6 x 10 23 Si atoms B) 2 mol Be C) 3 mol Li D) 1 mol Cl E) 3 x 10 23 Ar atoms 3. From the following set of scenarios, select the one at highest energy. A ) a 2 charge and a 3+ charge at 3 units of distance apart B ) a 2 charge and a 0 charge at 2 units of distance apart C ) a 3 + c h a r g e a n d a 1 charge at 2 units of distance apart
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This note was uploaded on 03/19/2012 for the course CH 101 taught by Professor Bigham during the Spring '08 term at N.C. State.

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Exam1- D Key - Exam 1 Form D 1. E 2. B 3. E 4. D 5. A 6. C...

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