key-09sp-CHM1025C-e1018x02

key-09sp-CHM1025C-e1018x02 - University of North Florida...

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University of North Florida NAME _____ ________KEY___________ CHM 1025C, Introduction to Chemistry Exam 2 Spring 2009 2 March 2009 Part I. (percentages in parentheses are the results from Exam 1) Each problem is worth 1.2 points. # Topic percent correct A B C D E AB AC 1 filling in the version 100 a b c d e ab ac 2 metric prefixes (63.8%) 48.8 bd c bc d be a e 3 metric prefixes (63.8%) 52.3 ad d c b ae e b 4 significant digits in a scientific notation (68.9%) 76.7 b c a c e d a 5 significant digits: calculation (75.0%) 62.8 d e ab d d c e 6 physical/chemical properties (68.9%) 65.1 ab ac ac e ab e e 7 density from mass and volume (84.4%) 94.2 b c c d a a c 8 recognizing orbitals (36.7%) 41.9 d d c b d e e 9 electron configuration 87.2 d e b e d e d 10 electron configuration of ions 33.7 ae ab be ac bc a a 11 electrons from atomic notation of an ion 48.8 d a e a b e e 12 group names 67.4 e e c e d e b 13 group names 86.0 e d a b d c e 14 core and valence electrons 33.7 b a d c a d d 15 electron dot or Lewis dot formula (* it was carbon) 33.7 d a d b b* a c 16 periodic trend 64.0 e a e a a e b 17 periodic trend 60.5 e e a a a e a 18 periodic trend 66.3 a a e e e a a 19 predicting charge of a ion 50.0 d c a e c e e 20 predicting the formula of an ionic compound 44.2 b e c d e b b 21 recognizing molecular and ionic compounds 68.6 e a d b b e e 22 recognizing molecular and ionic compounds 76.7 d b e a a e e 23 naming a polyatomic ion 76.7 b b d e a e e 24 naming a polyatomic ion (trends in naming) 72.1 b e a e d ab e 25 naming a polyatomic ion (trends in naming) 32.6 d d b c ab e d 26 evidence of a chemical reaction 43.0 a e d c d b a 27 diatomic elements 69.8 b c e d b a e 28 physical states of the elements at room temperature 61.6 d a c b ab e a 29 activity series 39.5 d ab d a e e e 30 solubility rules
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key-09sp-CHM1025C-e1018x02 - University of North Florida...

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