NAME:~~ PERIOD: HOMEWORK 5.1 1. 2. 3. Read pp. 348 - 352. Review your class notes. Answer the following questions: 1. State the periodic law. PIJ~~ Ct I~J r:' C-l 1Vi.l.u,tltc/ OA_.( lt~):Ji-\.lub .j.:tJil Llh'lLl.vi; lllLcitc/i. f-::j _th/L (t:/n;l(i .'?Ui'J/LII!) 2. Why do elements belonging to a particular group exhibit similar chemical behavior? l~M"'" :ti'tJ IItl", .:tt '"b &eJa.,1o 1:, :tftti.[ Kl'I'Y>" (Lid;, .~tLI"j", .fA<f!f(j -.« a.t1£//"f"J"<,cI- jJ,o,l. 3. Identify each of the following as a metal, nonmetal or metalloid a. oxygen d!V1 b. barium d. iron 11.,:;:la) 11iik! :- ~.- e. neon f. praserodymium '1I1nJlfi:lzr/ 1l~ 4. An unknown element has chemical behavior similar to silicon (Si) and lead (Pb). It has an atomic mass greater than sulfur (S) but less than cadmium (Cd). Use the periodic table to determine the identity of the unknown element. Ge 5. Name each of the following groups by their family name. a. Group 17 b. Group I c. Group 18 d. Group 2 k a...U;I}'. /lt7 /~f t.l C IL (ilutJ( 6. While at an amusement park, you inhale helium from a balloon to make your voice squeaky. Your friend says this practice is dangerous because the helium will react with your blood and produce toxic compounds. Is your friend correct? Explain. NAME: PERIOD: HOMEWORK 5.2 1. 2. 3. Read pp. 348 - 352. Review your class notes. Answer the following questions: 1. Classify each of the following elements as a (an) alkali metal, alkaline earth metal, halogen, or noble gas. a. sodium ,1 , II I. I I _,f Mtlf-JI d. fluorine .\X.K.t1-M- b. chlorine IctJcf-H e. xenon c. calcium (&b.!'}~ f. potassium g. magnesium • iI/II 'Jli,tltjtZ/J td&& 2. What does the period number tell us about the electron's energy levels in the atom? it-lle.:1 3. List the four electron blocks on the periodic table. r ;S I J j C'f I ·f 4. Which of the following elements are transition elements@ Sr,@8AI, Ge, g 5. Determine the group, period, and electron block in which each of the following elements is located on the periodic table. PEtIOD GtZuVI' / 3 - c( S {) r. -vIO? I c<1:. O.J - /J 1- 6. Write the group number for each of the following families: a. Halogens c. Noble gases I 7 / b. Alkali metals ,f' / d. Alkaline earth metals .~ // O...u(tt.ll·l~ ~~ct:Jt:- NAME: ~ PERIOD: HOMEWORK 5.3 a. Read pp. 71 - 74. b. Review your notes. c. Answer the following: 1. State the trend for atomic radius. 2. Describe the process for the formation of a positive ion. -I- -r Cl).c7J( -I-_iOUjO-LU'71 I r f./ZItiJ!J -I- - .cc» -7 f- e- 3. Compare the size of an ion to the size of the original atom. 4. State the trend for ionization energy. --tOll;J / (It()~ -l?.1 L€, ..((.~' (If! -/U/lfa~J Vtl =r": 6 a~-",( "vn<"/!.<tc<..~o / '" L -c/,,;;7 d/? "" 'Y~'I 5. State the trend for electronegativity. f'ltJ,-t .... t.lldm(J«.tLt(j J \ cL6uac:J~ i-/J Lt.~d ,,(-lLCtea Q..tJ !...-i( 6. Arrange these elements in order of decreasing atomic radius: sulfur, chlorine, aluminum, and sodium. 7. Circle the element in each pair that has the largest first ionization energy. ~potassium b. magnesiu~ 8. Circle the element in each pair that has the higher electronegativity a. chlorine({liiorinD b. carbon><!!1frOgeit,J - (C magnesiUm~ phosphorus ---- .-.-~...----- .. value. 0J-. NAME: ~Ot:L'4 PERIOD: HOMEWORK 5.4 a. Readpp 71-78; 85 - 94 Review your notes. Answer the following questions. b. c. ,t r: ~I;j..t(.l/u~A.. I . 1. What is a chemical bond? 4(1 01 .<?1~'t(c't.J cUj(j-tzJ. .j .' tto)!:: / • .c,'. f::'.) .coruc. c ) i"'" ,,0 j/r,:d ::dtt J.},u.ffi~ Ct:) l. .~ / /J I. -I-: 11'1I / /ht..L·U?.l:.tlG ./l't"lC- , i a" .Lit w;.d -'0":(/ lid,,,, a .~lrrc-dJ"d .: tft~<£!z~A., 3. What family of elements IS VI" m~}a.u, A'/tLltJle~ au. ..j.t!(L)u/l:L t<..nl''-&.c.l.<.l, (}1-{~ (It'1/i.'l.a·~{ fi'-<")!£"() 2. Why do ions form? In'~ (LG'L;) relatively unreactive and why? Jrutw<u ~t4j /"w{ .·o/u.if. ct .;;(;j.i-d ,ad .c »; .:(/6,( . 4. Describe the c~ange that must occ~ in the el~ctron configuration (losing or gaining electrons; how many and where) if each of the foIlowmg atoms IS to achieve a noble gas configuration. a. nitrogen Is?:J.s ~ 'Yf 3 ol02~ I d. lithium Is /1. jttZ,\,.3 / e -~ e. - i-: ;tftt ;,fIu. ,;;J..s oj"tc-oL OVER .;JI' {h../;t.W tH.i;,ti.,l ( Co2+ .O~ALI p3-' PI-\OSPt-lID'f. 8. Name the following ionic compounds: SnCh 11"-' CD.) (HLOI<-l DE KCl ~OTr.5$I()i\-1 CI-iLO,Q l DE 9. Write formulas for the following compounds: ,r 3 I d if\.') magnesium iodide r< 6 a S rubidium sulfide lead(II) oxide PhO barium fluoride osmium(IV) chloride 0.$ C~'i cesium sulfide 10. Element Z can form ions with either a 1+ or 2+ charge. Element Y can form ions with either a 2- or 3charge. Write all the possible formulas for the binary compounds that can be formed from these two elements. 2- I+- 7:. ~+ HOMEWORK 5.5 a. b. Read pp. 100 - 103 Review your notes. Answer the following: C. I. What is the main difference between monatomic and polyatomic ions? P1 cdFnt.oj., .ibn" Ct,~a.L;t Jwc 01 '~rtrJU tUb-no .Lt'hL& /J7t1?l1l---iiiitf.~ -£CJt.O &!JL---titlt 2, What is the difference between the chlorite ion and the chlorate ion? () .c I -t),3 L' /ltla ))U:-U CI)U tJ-Y(f!tt -it. ,/ vUtt:~H L-Uec; {Jft2 d 3, How do you determine the correct subscripts in a chemical formula? 111 ji{Lfa't{.L~';j ~id<- ~!IA:J~O 4. Name the following compounds: NaCIO FeC204 1-/Y/-l)(I·ILOZ .jtlJ)iU'lJ l 7l::; eID D2C"j oXilLATE' Mn(C2H302)2 (NH4)2C03 Cile/JoA./ilTE A",.l10NlOnl nl.CjrJG;:'i;.J[S(; K2HP04 (rr.) acrrm«: (L) .sULFf1TlE' H~S04 POTJ1SJ/Uil!/ HY!J(CXFJ PHoJPt/flTb- CuCN b/111 f:1l.CU/LY Sr(N03)2 a uPPeZ (I) C y1-1.</ (DF ST£O~77 AI! ()m r£47?;;"" 5. Write formulas for the following compounds: aluminum fluoride calcium sulfide strontium bromide cadmium (II) chloride S r- !3r~) vanadium (V) oxide /-. V). OC~ lithium sulfate potassium hydrogen phosphate JG. /I !-f) if ammonium acetate C'nl aim;!,