KeyE1-F2010-eve

KeyE1-F2010-eve - 1 KEY: C101 Exam 1 (Form D Fall 2010....

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Unformatted text preview: 1 KEY: C101 Exam 1 (Form D Fall 2010. Forms K, M and P are scrambled versions of this form. 1. Which pair of terms correctly applies 'to barium? , . 5a, 39.3 a. halogen, nonmetal WW“? b. metalloid, group 5A . C. - nonmetal, Group 7A alkali metal, Group 2A alkaline earth metal, s—block 2. The elements broné‘g, molyr canum, and $er are represented respectively by the symbols: . Br, M0, Ag . B, Mn, Si c. Br, Mo, Si d. Br, Mn, 3 e. B, Mo, Ag 3. Which set of elements contains an alkali metal, a halo en, and a noble gas? Li, K, He 3W“? til ‘7” m a. b. Cs, Sr, Br Q potassium, iodine, argon K J E , Ar“ d. lithium, magnesium, fluorine e. sodium, chlorine, arsenic 4. Arsenic has to which of the following? SC Lekmfi I}! 7%1 .(W Ne S‘I’WYM WaIEJZ/W as phosphorus P none of the above o®o o‘ p: % £3? E- ‘3 -§ § 5. What value represents 3.6006 X 10—3 correctlyr rounded to exacflvgngg significant figures? a. 0.004 m 3 “M b. 0.0036 3. solve x/O - .. 4 x 10—3 “R, NA ml. kg, N” fig/m” am (S Q w‘less 3.60 x 10‘3 “,3 5:) Wu, AW.”)" mantgr 9‘? ‘21.“le 3.601x10‘3 egg 31:on fig“? 3+3 6. Which consists of onfexgmglg%% 5.0 pure substance and one example of a mixture? MN m a. N2 and N02 6 leynsa‘l; coupofi b. so2 and air WWWQ, mix c. _ CO2 and saltwater CW Wag, V‘N'X d. a and b Q h and c 7. Which element is misspelled? a. indium l). iridium (a tungstin 4mflj$lafl d. lanthanum e. molybdenum _| 'l WW 8. ch is (are) responsible for the attraction between protons and electrons in an atom? Electrostatics . Strong nuclear force - I C. Gravity \_3; Tia #3” P wag fi if} Mid-'5 a“; d. a and b ‘ , g e. b and e (elem;er Me” i M "7% m“! “5) 9. What is the mass in amu of 10 atoms of boron—10 P 50 mm m w gamut, M 100 amu (/0 gm; 5 _ [W a! M Ma 91.va c. 1.7 X 10—22 2113111 w cl. 1.8 x 10"23 amu f e. 6.0 x1025 amu gtp M‘fl g}? ) $9 mag; 90!) an arisen-«- 10. At most, any single orbital may contain gt: [£9 aim-M... a. 1 electron. 2 electrons. c. 6 electrons. d. 10 electrons. e. more than one of the above is correct 11. How many milligrams are present in 4.86 x 103 nanograms? 4.86 x 109 mg a. 15 3 - ... b. 4.86 x10 mg Gilgéxwgflflxmlsgwx a 9,596 We gmj m #19 ' c. 4.86 x 10—2 mg @ 4.86 X104 mg e. 4.86 x 10—9 mg 12. Which is a chemical property (or change)? a. mixing vegetable oil and water b. a sample of methane gas is compressed (5. sea water drying up to leave a residue of salt d. nitrogen gas condensing to produce liquid nitrogen (E9 bubbles of hydrogen forming when an alkali metal is place in water W 13. Which of the following formulas is incorrect? N aCl ' a. b. . @ 11131312 . d. C. MgC12> a/kagrlxsa-. ere/MK M7549 43am 7”; (‘Wfiwfia CaBr2 fly Ark/ng 14. All matter can either be classified as: a. metal OR nonmetal l). intensive OR extensive if) element OR compound Sag P! [a pigfi?!‘ g p, 29 g % mixture OR pure substance e. homogeneous mixture OR heterogeneous mixture cs: algflg' Mm 13/ cawpa’auié 09/ Adana; (4395:“) 2.. g 5 15. The density of sodium is 0.971 gfcma. What is the mass of 5.0 cm3 of this solid? a. 2.0 X 10': g b. 5.1 x10‘2g CS3 0cm 6: Wig/cm 9?) a: 1y, 39533 c. 4.9 x 102 g d. 5.1 g ti, i5 4.9 g 16. low many protons are in the nucleus of an isotope with 19 neutrons and m number of 36? Q 1? / f3 :3 fig» b. 18 [9:4 ‘ c. 35 P as as fig d. 53 a+m;2../¢/7 I} (LE f! e. 55 ' _ 17- Which has a. a cobalt atom, Co b. the chloride ion, Cl" @3 the beryllium ion, 1399+ m excess ED merge. _ d. the calcium isotope, :éCa . 61M excefl h 3.3 41,; Ci; Q Ma. flugidiéyfi. e. the H isotope known as deuterium, 2 H 18. Fur a niafiiflovh, a helii‘ilfi'iiighn, an and a lith‘ifnarilgn in order of increasing mass. neutron < helium atom < electron < lithium inn neutron < lithium ion < electron < helium atom fl 3%» i all fimwnnnww 11. b. electron < neutron < helium atom < lithium ion d. C. helium atom < neutron < lithium ion < electron agnvs’g t: W"? film’in ' electron < neutron < lithium ion < helium atom 12%;"; g Q {34395; 5 19. HOW much heat is needed to change the temperature of 25 g of iron from 702°C to 802°C? (Note: The specific heat value for iron is 0.108 cal/g'oc.) AT”: [$.09 C, 0.27 cal gig»? CAT” 3; a“; rim-i“ i 27 cal c. 220 cal g? @fijxolgfiégfl gauge/gt 37mg (1. 2300 cal "3 e. 4.3 X 10'“2 cal 20. Mystery compound Z melts at —i 70°C. it exists as a gas when its temperature is above —50°C. At which temperature would it exist as a solid? a- 40°F "‘2’094 :5” .ralfi "7% 3% b. ~600C I}??? a --m__ ... a P. .. _ WW. .mwww c. 460°C kg... m,» if. 100K =- [73 ac,” Saki w) 79 9c, w 570°C; 6. 2001C m 9C1” 21. How manyr inches are there in 4.7 X 10[2 miles? Note: 1 foot I 12 inches. Q 3.0x10“in ’1 _ 2043+ a“, W b. 3.0x1018in Gm we was) imTwXfis-zmw 21/0 m T h m: a c. 7.4 X 10 in 7\ g?‘ d. 2.1x 1015 in 2954113]; mp . 32$ 3/0 "a e. 3.4 x 1048 in cmmstmj 22. W’hich neutral element is represented by the following electron configuration? will 2H1 2p LLLLLL 33H 3PLlLL selenium sulfur flanks»? fi/éfifififigfl argon /6e W? /QP «haul #/é [3 JM/fiar' d. chromium e. phosphorus 23. Which factor would let you convert hectoliters to milliliters Note: the prefix hecto— means 102 / A L "'- /0 2'1... a. 10"5 ml./ 13L —1 b. 10 mL/hL U Mxfl ,DBmL) at l wag”; c. 10: mLXhL g] [a l... d. 303 110].th ' g“ IDSm/MJ I gt)! ,AL- I . 24. A sample of rhenium weighs 8.23 x 10"" g. Approximately how many atoms are present? 2.66 x 1021 atoms Re fge’207amfi 4.82 x 102' atoms “I l armvk 2.54 x 10—22 atoms g .23 NO I Mmmmww‘mzq 3.76 x 10—22 atoms C j JIM-0s N0 9 7.34 X 10—2? atoms > 1" 2'“? “020M , .. a. essr® 25. An object sinks in a solution whose density is 1.05 g/ml. and it floats in a solution whose density is 1.15 g/mL. Suppose that the mass of the object is 4.55 g. Which of the following could be its volumefigma; (flaming? ngulrar slim hog ghee; sfhg’é ‘1' 5‘40 mL “53% ' Ass; fie» Afiflms 4’”“"l3 b. 4.50mi. M; I . (gr 4.40 mg. M93 calmlaie ramble... was; 3;; 4.20 mi my ml. [1 5‘", $30!?! A— a 26. A ground state electron configuration for a neutral atom ends in 4:13. Identify the element. @ Nb b. Ba (Kr; g5?” trig»? c. Sb (1. V e. As 27. Which is the correct electron configuration for an uncharge . __ . ' om in the ground state? a. [Kr]4dlo5p4 .Sy’ ' §Q g. since, fig G.) [{(rl5s:4d::5p: [Krj§§a%!0§‘gz _ mneAMjé (3. [KerS 5d 5p _ d. 1s22s 22p 63 sz3p64323 d2 e. 1$22522p63s231364524dl041365525dm5]:2 28. What is the mass of 0.50 cubic meters of iron? The density of iron is 7.8 chm3. 3 3 wamh your “mtg! mom! cam/Wat in 3 (gimme «r» 5d” five??? m 4» a»??? a. 0.064 kg b. 0.39 kg 3 9; gm 09cm 5’ 1&2 r 0 /0 V11 )0 I M.— » :5 0 k c. 3.9 kg g “l1 {WM WM “WM (rpm-3 /wr_)j 39 D} d. 16 k __ 39Ung Mné j “s39 cmumm 29. Which is the correct symbol for the ion with 30 protons, 32 neutrons, and 28 electrons? 53 -2— 2“ ZSN‘ 9r .. Mods # is. p re 62k 2_ admie#30 W6; 13‘ 30A“ ’3 fillfld. 3_0 432‘“ W © 62Zn2+ 30 mee p #6351 ‘9" ' .60 1 2+ d- 3206 2 n +2, thje. e. 3N?“ 30 30. W/hich of the following sets of isotopic abundance data does NOT make sense based on the atomic weights listed in the periodic table for these elements? a. neon—20, 90.8% and neon—22, 9.2% w m. (9 gallium—69, 40.2% and gallium—71, 59.8% Male: £4” 5’92, $9.. 9070 Ger (2. rheniurn—185, 37.4% and rhenium-187, 62.6% _ _ _ “70‘ . boron—10, 19.8% and boron—11, 80.2% \n all ,\ __ ram ,3 w ' wean e indium—113 40% and indium—115 96% f 9 fig l) ‘ 23% A; - ’ ' ’ :59 7K9 almlém Wafsg‘l, UM“ We W '70) may/ave 70.2."! ...
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This note was uploaded on 12/01/2010 for the course PHYSICS 21900 taught by Professor Rhoads during the Spring '10 term at IUPUI.

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KeyE1-F2010-eve - 1 KEY: C101 Exam 1 (Form D Fall 2010....

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