Mock%Exam%1%%%%%%SI%Leader:%Sullivan%Hanback%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Name%__________________________%Gen%Chem115?2B%%Please%do%the%mock%before%the%review%session%(Mon%Sep.%14%%5-7%pm).%Make%sure%you%bring%any%questions%you%might%have%about%the%subject%matter%to%the%session.%%1. An%atom%of%Au?160%has%%a. a%positive%charge.%b. contains%more%protons%than%neutrons%%c. contains%more%electrons%than%protons%%d. has%81%neutrons%%%2. In%whic h %gr o u p %d o %a ll%th e %e lements%have%the%same%number%of%valence%electrons?%a.%%Na,%Ca,%Ba%b.%%Ag,%Cd,%Ar%c.%%C,%N,%O%d.%%P,%As,%Se%e.%%none%of%the%above%%3. What%do%these%have%in%common?%124Te2?%%%%%%%%%%%%%%%%%%%%%%%112Ba2+%%%%%%%%%%%%%%%108Xe%a. Same%number%of%protons%%b. Same%period%on%the%periodic%table%%c. Same%number%of%electrons%%d. Same%number%of%neutrons%%%4. What%is%the%accepted%structure%of%an%atom?%a. The%plum%pudding%model%%b. A%negatively%charged%nucleus%surrounded%by%neutrons%%c. A%nucleus%that%contains%the%majority%of%the%mass%surrounded%by%an%electron%cloud%d. A%nucleus%consisting%of%protons%and%electrons%%%5. Express%the%number%0.0005598%in%scientific%notation.%a.%%5.598%×%104%b.%%5.598%×%10?5%c.%%5.598%×%10–4%d.%%5.5%×%10–3%e.%%0.5598%×%10–1%%6. Isotope s %ar e%a. two%versions%o f%the%sa m e%element%differing%in%t he %n u mber%of%ne u tro n s.% %b. two%versions%of%the%same%e lem en t%differing %in%the%n um b er%o f%electro ns.%%c. two%versions%o f%the%sa m e%element%differing%in%the%nu m be r%of%pro to ns.%%d. two%different%elements%w ith%the %sam e%n um b er%o f%neu tron s.%%7. When%alpha%particles%were%shot%at%a%metal%foil%target%to%probe%the%structure%of%the%atom,%most%of%the%particles%passe d%thro u gh%w itho ut%a ny%d eflec tions %in%path .%Som e %pa rticles%w ere%d eflecte d%a t%large%ang le s.%T h is %ind ic at e d%t o %R ut h er fo rd %th a t%% %a. the%metal%foil%w as %c on t in uo u s %m a tt e r.%%b. th e%m as s%of%the %m etal%ato m s%were%spread%out%evenly.%%c. the%atoms%of%th e%m eta l%we re%m os tly%em pty %spa ce.%%d. th e%alp ha %particles %had %grea t%pen etra ting%p ow e r.%%%8. An%atom%has%a%valence%shell%electron%configuration%of%ns2%(n?1)d10.%To%wha t%group%does%it%belong%to%on%the%period ic%tab le?%a. Alkaline%earth%metals%%b. Alkali%metals%%c. Halogens%%d. Transition%metals%%%9. Energy%of%a%photon%is%greatest%in%the%case%of%%a. ultraviolet%radiation.%b. in fra re d %ra d iat io n. %c. radiowave s.%%d. re d%ligh t.%%%10. Predict%the%charge%that%an%ion%formed%fro m%francium%(Fr)%wou ld %h av e . %a.%%1?%b.%%1+%c.%%2+%d.%%4+%e.%%2?%%11. Which%element%is%represented%by?%17085X%a. Bismuth%%b. Barium%%c. Antimony%%d. Astatine%%%12. An%ion%has%a%2+%charge.%Which%group%on%the%periodic%table%is%it%from?%%a. Transition%metals%%b. Alkaline%earth%metals%%c. Alkali%metals%%d. Noble%gases%%%13. An%argon%atom%is%isoelectric%with%a. Cl%%b. Ca%%c. Ti4+%d. N3?%%14. Blood%is%an%example%of%%a. an%element%.%b. a%comp ound%.%%c. a%homogeneous%mixture.%d. a%heterogeneous%mixture.%%15. Which%is%a(n)%example%of%a%chemical%change?%%I. Cooking%an%egg%II. Sublimation%%III. Sugar%mixed%with%water%IV. Ripening%of%fruit%V. Making%wine%from%grapes%%a. Only%I%b. Only%II%and%III%c. Only%I,%II,%IV,%V%%d. Only%I%and%IV%%e. Only%I,%IV,%V%%%16. Calculate%the%DeBroglie%wavelength%(in%nm)%for%an %elec tron %(m ass %9.10 95 3%x%10?31%kg)%traveling%at%a%speed%of%100,000%km%per%hour.%a. 7.27E?9%nm%%b. 26.19%nm%%c. 2.62E?8%nm%%d. 33.19%nm%%%17. The%wavelength%of%red%light%is%700%nm.%Calculate%the%energy%of%the%light.%a. 1.39E?22%J%b. 1.99E? 25%J%c. 2.84E?28%J%%d. 2.84E? 19%J%%18. What%is%the%energy%of%an%electron%that%absorbs%energy%and%transitions%from%n=3%à%n=%8?%%a. 2.08E?19%J%b. 3.00E? 20%J%c. ?2.89E?15%J%d. 5.27E? 26%J%%19. Nitrogen%is%made%up%of%two%isotopes,%N?14%(14.003074%amu)%and%N?15(15.000108%am u).%Giv en %nitrogen's%atomic%weight%of%14.007,%what%is%the%percent%abundance%of%N?15?%a. 0.49%%b. 99.3%%%c. 10.5%%%d. 89.5%%%20. The%maximum%number%of%electrons%that%can%occupy%and%orbital%labeled%dxy%is%%a. 6.%%b. 3.%%c. 2.%%d. 1.%%%21. Which%of%these%elements%are%paramagnetic?%%a. Helium%%%b. Calcium%%c. Xenon%d. Arsenic%%%22. An%element%that%has%7%valence%electrons%is%in%which%group?%a. Alkaline%earth%metals%%b. Alkali%metals%%c. Noble%gases%d. Chalcogens%%e. Halogens%%%23. Each%of%the%sets%of%quantum%numbers%specifies%an %electron.%%Ch oose%the%set%that%is%valid%(does%not%contain%an%error).%a.%%(5,%3,%?3,%½)%b.%%(4,%4,%0,%½)%%%%c.%%(4,%0,%?1,%?½)%%%%d.%%(3,%1,%?2,%½)%%%e.%%(3,%2,%3,%?½)%%%%24. Which%has%the%electron%configuration%of%[Ne]%3s2%3p6?%%a. Br?%b. Cl%%c. S2?%d. Na%%%25. Which%has%the%smallest%atomic%radius%a. Francium%%b. Potassium%% %c. Arsenic%%d. Selenium%%%26. Which%atom%has%the%highest%ionization%e ne rg y ?%%a. Francium%%b. Strontium%%c. Fluorine%%d. Selenium%%%%27. Choose%the%set%that%contains%only%paramagnetic%ions:%a.%Fe2+,%Zn2+,%F–%b.%Fe2+,%Fe3+,%O2–%c.%K+,%S2–,%Cl–%d.%%Co2+,%Fe2+,%Fe3+%e.%Ca2+,%Al3+,%O2–%%28. %Which%of%the%sets%of%quantum%numbers%refers%of%a%3p%orbital?%a. n=%3,%l=2,%ml=?1,%ms=1/2%b. n=%4,%l=5,%ml=?4,%ms=1/2%c. n=3,%l=%1%,ml=%?2,%ms=1/2%d. n=3,%l=%1,%ml=%?1,%ms=1/2%%29. How%many%orientations%of%the%orbitals%can%there%be%if%l=%2?%a. 3%%b. 5%%c. 1%%d. 7%%%30. The%state% o f% matter%that%describes%an%object% possessing%both%definite%volume%and%definite%shape%is:%a.%%liquid%b.%%solid%%c.%%gas%% %d.%%homogeneous%mixture%e.%%heterogeneous%mixture%%%31. Which%of%these%elements%are%chemically%inert?%a. Nitrogen%%b. Fluorine%%c. Krypton%%d. Hydrogen%%%32. Which%of%these%elements%forms%a%cation?%%a. Fluorine%b. Oxygen%%%c. Beryllium%d. Xenon%%%33. %Which%of%these%statements%is%false%with%regards%to%atomic%radii?%%a. Mg%>%%Mg2+%b. I?%<%I%c. O>%F%d. K>%Na%%34. In%whic h %o rb it al%would%an %e le ct ro n %(on%averag e )%b e %fa rth e s t%from%the%n u c leu s ?%a.%%1s%b.%%3s%c.%%4f%d.%%3d%e.%%2p%%35. Which%of%the%following%is%a%nonmetal?%a. Sodium%% %b. Boron%c. Germanium%%d. Selenium%%%%36. What%has%the%greatest%mass?%a. Proton%%b. Neutron%%c. Electron%%d. Pho ton%%37. What%is%the%name%of%the%element%with%the%symbol%Sn?%a. Selenium%%b. Sulfur%%c. Tin%%d. Silicon%%e. Antimony%%%SHORT%ANSWER%QUESTIONS:%%Show%your%work.%%Organization%and%neatness%are%expected.%%You r%answer%should%show