200 BAI TAP HOA 10 KHTN HN

7/30/2019 200 BAI TAP HOA 10 KHTN HN

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nnr ON TrlP LAN tr-HoA 10-10/2010gai t) Tinh brin kinh gAn dirng cria nguydn tu Fe vd Au. Cho khOi lugng ring cua kim loai Fe vd Au ldi",g7-etrrl vd 1.9.32.g7c*'. Cii thiet tiong-tinh thri cdc nguydn tu Fe vd Au ld nhiing hinh ciu chi6m 75%th6 tictr tinh th6, phin con l4i ld c6c khe rSng giira c6c qui ciu. Cho bitit nguydn tfr kh6i cira Fe 1A 55,85vd cria vdns la 196.97.Bni 2. cniitit so Avogadro N:6,022.id23.1. Hd.y cho biiit trong t0 molAl c6 bao.nhiu 1g_Wn tu Al?2. ,ni6t rdng l0 mol Al co khdi lugng bing269,7 gam. H6y tinh kh6i lu-ong mol nguydn tir cria Al.Bii 3.J 1. Tfnh ti so hat mang din vh khdng mang di6n trong ion llr"'* .2. Cho cdc ki hiu nguyn trl iH, '3O , i]p. Trong.phan til HrPOotdng sd hat rnang din nhidu hcntdng so hat kh6ng mang din li bao nhi0u hat?\/ -eei +JCho c;ic ki higu nguyn ttr: $Br ; ilK; flAr. Hdy xiic dinh s6 proton, s6 notron, s6 electron vi

diQn tich h4t nhain nguy'n tfi'cia chirng.ili'sJXacdntt-ro p.-torono notron, electron c6 trong c6c h4t sau: iiH '3o i;r"lcr'*

'l'ae'lZeu ?3K.i$ca'?. !!er- co3- Poi H2po;,Bii 6.'X6c dinh tdng si5 hpt co trong cdc ph6n tri', ion sau: 02. s2-, SO2, Soi-, HzSOl. Cho iXO ; i:SBni 7.vMOt nguydn tu cria nguyn t0 X cO tdng s6 h4t proton, nstron vi eleotron li 115, trong d6 s6 h4tmang diQn nhiAu hon 15 trat kh6ng mang diQn ld 33 hat. Hiy chr: bi6t sO h4t proton, notron'vlt electron c6trons X vir tinh so khdi cua X. \,Bni 8./T6ng s6 hat proton, ncrtron vd ele,ctroncria I nguyn tft R le 76, trong dd s6 h4t rnang diQn nhiuhon s6 hpt khdng ming ctign ln 20. Hdy cho bi6t:1. Sd hat ptoton, notron vd electron c6 trong R vi tinh sO ttrOi cta R.2. Tfir.tty cdc mitc ning lugng vd cAu hinh electron nguydn tft R."Bni 9./Vi6t c6u hinh electron nguydn tt cria c6c nguyn t6 c6 d4c diiim sau:1. C6 tdng sti cdc electron trong cdc phan lop p ld 7.2. C6 t6ng s0 c6c electron trong c;ic phfln lqo s li 5.3. Ld nguyn t0 p, c


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,^\Bni@9l Nguyn tri nguyn t6 X cO t6ng s6 h4t bing 82. Trong h4t nhdn nguyn tu, h4t khdng mang di6nnhiAu hon hat mang diQn ld 4 hpt.t. Vii5t ki hi$u nguydn tri cria X. ViSt c5u hinh electron cta X, c6c ion X'*,X'* .2. !6c dinh s6 electron dQc thdn, electron hoil tr!, electron lop ngodi cirng trong nguyn tu X.,.,dBhiQg. Cho bit t6ng s6 electron trong ion AB3- le 42. Trong cric hat nhdn nguyn tu A cflng nhu B s6proton bing s0 notron. ft6 L H 1rl. Tinh sd khdi cta A vd B. Cho bi6t ki hiQu nguyn tri cira A vd B.2n),/itc6u hinh electron, sg phdn bO cria electron vao c6c obitan nguydn tt cria cdc nguyn t6 A, B.Bili(zl)Cho ciic nguyn trl R vi M. R c6 sd khdi ld 56, tdng sd hat p, n, e trong ion R2* le 80 hat. 56 hatmanfdiOn cira R nhidu hon sd hat mang din cira M ld 18 hat. SO hat notron cfia R nhi6u hon hat notroncira M ld 10 hal1 \I:.d+ l-a L:A,, --,..,A- +Jr ^*^ D 1\,fl. v lul N rluu u6uJvtt Lu vu4 l\, lyl.2. /iet cdu trintr-etectron nguyn trl cta R. M.Bili 22( a. Trong tu nhin brom c6 hai etdng vl .bn: ]lBr chi6m 50,69%0 siS nguyn d va $ nr chi6m49,3lyo s6 nguyOn tu. Tim nguydn fii kh6i (NTK) trung binh c0a brom.b. Ddng c6 hai cl6ng v! bn ilcu vir ilcu. NTK trung binh cria d6ng ld 63,54. Tinh thinh phAn %sti nguydn tti cria m6i dOng vi.c. NTK trung binh c0a brom ld7g,gl. Brom c6 hai rt6ng vi, cl6ng vi l', Br -chi6m 54,5yo s6 nguyntri. Tinh NTK cria tt6ng vi ths2.BAi 23.vAgon t6ch ra tri kh6ng khi la h5n hqp ba d6ng vi vdi % s6 nguy6 tt t&: 99,i%o oo Ar; 0,063Yo 3E Ar ;0,337Yo tu Ar .TinhthC tich cria 15 gam Ar o dktc.

neiZ+lOxig0m 3 lo4i ddng vi: '3ONguyn tft kh6i 15,9950 'lo16,9992 'too-20v" 17,9993Ti lF, oti sA norrv6n fri 99.760/" O^O4o/"HAy tinh nguyn tt kh6i cta oxi (tinh chinh x6c vd tinh gin ttfng).Biri 25.'Cho cdc ki hiu nguyn tti sau:',;A;;e'io 1;s ?!c fis ilr'!r 13lr''2r 1ZM'ie'ln flr ?3x ?3iIim14p hqp c6c d6ng vl. C6 bao nhi6u nguyn tti h6a hgc trong s6 c6c nguyn tu ndulrn?

Bni 26./Mbt nguyn t5 X gOm 2 ddng vi c6 s5 nguy6n tu ilr fe vJi nhau ftrni:z3. Hat nhdn ct6ng v!thfnh6t chria 35 (p) vd 44 (n). Hpt nhdn ddng vl thri 2 chr?a nhiAu hon 2 (n). X6c dinh NTK trung binh c0anguyip,t6 X.BniQl,i Nguydn t6 M c6 3 ddng vl vdi tdng sO ttroi ld75.Xhc dinh sd khiii cta m6i lo4id6ng vikhi bi6t:- 56 nguyn tu cria ddng vi I chi}m]9o/ot6ng s6 nguyn tri vd bing 7,9ldn st5 nguyn tu ddng vi2.- HiQu sd notron cfia tt6ng vi 3 vd dOng vi I h 2.ATK trung binh cria nguyn tO M le 24,32.BIii2SlHda tarr hoin toirr 6,082 garn rnQf kini loai X (h6a ti'i 2) vio HCI du thi; ,Juo-c 5,6lit H2 (clktc).qkhc dinh kim lopi X.b) X c6 ba cl6ng vi. Bit t6ng s6 kh6i cta 3 dOng vi ld 75. 5.6 kh6j cria d6ng v!thr? hai bing trung binhcQng s5 kh6i cria hai ddng vi kia. Ddng vi thri nhAt cO sti 1p; beng s6 1n). Edng vi thri ba chiilm ll,4% s6' 'i) nhiu hori d6ng vi thri hai ld mQt don vi. Tim sO khOi va sO 1n) cria m6i loai d6ngguyen tu va co so (rvi. Tinh % vA s6 nguy6n tri cria hai d6ng vicdn l4i.cp\hi c6 50 nguyn tti cria ddng vithf hai thi c6 bao nhiu nguyn hi cria c6c ddng vi con l4i?BniQgiNguyn tri kh6i trung binh cria hidro diAu ch6 clugc tu m6t loai nu6c ld 1,008 vi chi gdm 2 loaiddng vi iH vit iH. Tfnh- Ti lC s5 nguyn tri cfa hai d6ng vi trong m5u hidro cli6u chtS ctuoc. i

- Trong 100 gam (hoic 100 ml) nu6c n6itrn c6 bao nhi6u nguyn tu cl6ng vi ?.U ? Bitit O:16,000., .. :. I rl- Tfnh 7i, i.ihoi iugng ddng vi ;ii co trong io4i nudc ndy.- Tiqh sd gam cl6ng v! | U co trong 90,04 gam nudc loai nayBni 301a. Hiclro co ba d6ng vi li r'H, ,'H vd r3H. oxi c6 ba d6ng vi ld s16o, stto vd stso. Vi6t c6ng thftcc6c loaiph6n tu nuoc. Trong nudc t.u nhi6n, io4i nudc c6'ph6n tft kh6i nho nh6t ld bao nhiu?

b. Trong tu nhi6n oxi c6 ba


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Bni 52.t4lai nguydn tO A, B thuQc hai nh6m lin ti6p trong BTH, B thuQc nh6m V. O tr4ng.thdi eton ch6tA, B khdng t6c dgng v6'i nhau, t6ng diQn tich hat nhdn cria hai nguyn tti la 23. Xiic dinh s6 hiu nsuvOntu;;6, ;?r., iint'.r..tron nguyn tu cua A,. B. | 'nei SgYCno 8,8 gam h6n hgp hai kim lo4inim d hai chu ki ke tit5p vd thuQc nh6m IIA, t6c dgng vdi HCIdu thi thu ctugc 6,72lit khi hielro (dktc). Dr,ra vdo bAng HTTH, xiic clinh 2 kim loqi dd cho.Bni 54./ H6n hqp X gdm hai kim lo4i kiAm thuQc hai chu ki k tii5p nhau. LAy 6,2 gam X phin img vdiHzO du thu dugc2,24lit khi (dktc). Tim hai kim lo4i d6.e1i SSJHSn hgp X gdm mu6i cacbonat c0a haikim lo4i kiAm th6 thuQc hai chu ki lin ti6p. Cho 14,2gam X,tlic dung vdi HCI du thu dugc 3,36lit COz (dktc). Tim hai kim lo4i.[e,i SOY Cho llq gam h6n hgp mu5i cdobonat vd hidrocacbonat cria kim loai kiAm M t6c dgng hiit voidung dich HCI du thu tluo. c 0,448 lit knf (dktc). Tim kim lo4i M.-.r-.tilrrx.. L-- A -A*'u^i *,.A: ^^^t ^nar ni,a l^oi I'i- lnoi -hA- IIA thrrAn hoi nhrr Li kA tiAn *nnottat J t; I ltrlt rrvp n 6urtr rr4r lllsvt w4vvvlr4! vus rrer r\urr rv:.r rr^rvr^rBTH. Cho 7,2 gam,{ hou tan h6t trong dung dich HzSO+ lo6ng thu dugc khi B. Cho todn bQ khi B h6pthu h6t bdi 450 ml dung dich Ba(OH)z 0,2M thi thu dugc 15,76 gam k6t tria. Tim hai kim lo4i vd tfnhphAn trpm t


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B^l3l.clo trong tq nhi6n co hai ddng v! ld 35cl :?^:St:\euyen tir kh6i c0a clo la 35'5' H6i 35clchib#bao nhiu % kh6i lu.gng trong KClor; uong HClo+. Biiilnluycn rfi kh6i cta K, o, H lan lugt ld39, 16\1.B^i6?).Neuvn t* X c6 t6ng sO hpt bdng 126' SO hat (n) nhiAu hon sO hat (e) ln 12 h4t'uirinn ro p vd s6 kh6i ctra x'b) Nguy6n t6 ndy girm 3 d6ng Ii.I, Y, z. s6 kh6icua X bing trung binhcQng.cria so t"3oi c'6aY vdz'tliQu s0 (n) c6a-Y vd Z g?pZ't}n sO (p) cria.irguyn tri'h.idro' Tinh s6 kh6i cua Y vd Z'R i6/ph6t biu dinh lu4t tuan hodn. Nu qui ru4t bin ooi tinrr li* toai, tinh phi kim; su bi6n d6i vaffiH,'#ielililint u*i,-uuro cta oxit va iridroxit cta ciic nguven 15 qons. BTHBir(fiGgi t6n, vit ki hisu nguyn t,i;;ib;;6u rtintr ereciron cria t6t ia"a" nguvn t6 thuQc phdnnh6il-IA, VTTA, VIIIA.Trong BTH ;; phan nh6m A ndo g6m c6c kim lo4i' c6c phi kim' c5c khi him?Bii 35j-il sinh, gi6i thich tinh bazo c0a c6c hiclroxit sau:

") Kdri, N"oH, Mg(oH)2' b) KoH' ca(oH)z' Al(oH)3Biri 36.,iSo s6rrh, giai th(ch tinh axit crha ciic hidroxit sau: rnrnu) HrPOo, HzSO+' HCIO+ b) HzS.iOr' HrPO+' HNOrBei 3Z.dSo s6nh, gi6i thich tinh axit ctra c6c hqp chdt sau:---a) PHr, HzS, HCI b) HF' HCI' HBr' HIBiri 38l,So srinh brln kinh cta c6c ion, nguyen"tu luu'

-dt, i.,Ne, Na*' Yt* ' an3*' Ciai tnich'

Bni 39rSo sann, giailr,i"h: tfnh tim ioai,io 6m diQn cria c6c.nguyn t6' b6n kinh cira c6c nguyn tu sau:,.,- a) K, Na, Mg b) K, ivfg' aL Cs . c) Ca Al' Si \'Bhi 40.'So s6nh, giii thich: tinh phi kim,;O ffi diin cira c6c nguyen ti5'-b6n kinh cria c6c nguyn tft sau:------,- "lsf,'N,o. ^-!lP,b,0'F,. ...-")P'S'Cl'F iBni 4fl cho cic nguvdn t6: o (Z:8i; Nu'tZ+'l); Al (Z1\tbtk:tl); Ar (Z:18) ;ca(z:20\;Tig:zil, cr (z=24),;pi (z:zo); cu (z:29\; zn (z=30)' ,,.,A- rA /Lim lnni nhia) H6y vit cdu hinh e cria c6c gsuvin d, itt" uie,loqi nguyn to (kim lo4i,phi kim hav khi him)'b) [6c dinh v! tri cic .nBuyn td irong BTH' (6 thtl.bao nhiu' chu ki' nh6m)'Rhi 42ycho c6c ";;ild;?i.r," r.i j:;a; vre; q1l chu ki'3, nh6m VIIIA; (Z) chu ki 4, nh6m rA'viiit c6u hinh electron vi x6c dinh s6 "r..ti"" iop ngoai'.irng *al'"g"ven tft. cL; biiSt nguyn ti5 niu iikim [o4i, plri ki.m, k.hi hi6m? Vi sao? i. ... -,- - r:.{+ ,^^r rv nhi kim). neuv.n t 'Bni 43fviCt cdu hinh electron c6c nguyen tft, cho bit.lo4i nguyn t6 6im lopi hay phi kim)' nguyen t6,fr"O" khAi;ao is, p, d, f1? BiiSt nguy6n t6 c6 c6c tlflc tli6m sau:A: chu ki 2, nh6m IVA X: chu ki 4' nh6m VIBB: chu ki 3, nh6m IIA Y: chu ki 4' nh6m VIIBC: chu ki 4, nh6m IIA Z: chuki 4' nh6m VIIIB' c6 4e tlQc thAnD: chu ki 4, nh6m VIIA T: chu ki 4' rih6m VIIIB' c6 3e dOc thdnBiiaa!a.llin^."; nhat cria mQt nguyn to ia nor, trong hgp chat cira n6 v6i hidro co 5,B8yo hidro vn'ait*t;f:#,"m-#,ffi:"tla mQt nguyn t6 ra RHa. oxit cao nhat cria n6 ch*a 53,,3Yooxi vc khoilugng. tim nguYn 16 io' IBei 45."R ld nguyn tO nh6m IIA. Trong hqp ch6t v6i oxi, R."ht:l.7,':a?.'( vC t


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/'Bn(72./MOt hqp ch6t cAu tqo tt M2* vd ion X-. Trong phdn tu MX2 c6 t6ng s0 hat (p, n, e) ld 186 h4t,tron$ il6 sO h4t mang clin nhiAu hon sO npt kh6ng mang diQn la 54 h4t. S5 tctrOi cua ibn Mr* l6n hon s6khOi cria ion X- ld 21. T6ng sO h4t trong ion M2* nhidu hon trong ion X- ld 27. Viet cliu hinh e cfia ionM2*,X-,{ec dinh sO thri tu, s6 chu ki, nh6m cria M vd X trong BTH.Bni 73.'Tdng s6 h4t trong ion R* la 57. Trong nguyn tri R, sd hat mang cli6n nhidu hon sO h4t kh6ngmang cliQn Id.18 hat.a) Tiry s6 h4t p, tr, o cria R.b) Viet c6u hinh electron cta R, n.. n ld kim,loai hay phi kim? R li nguyn tr5 thudc idi6i ndo?c) Xic


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d) Crom trong c6c hgp ch6t: Cr2O3,CrO3, H2'CrO a,H2Cr2O7,K2Cr2O7. Ie) Mangan trong ciic hqp ch6t: MnO2, Mn2O7, HMnO+, KMnOa, H2MnOa.frr,Cacbon trong c6c hqp ch6t sau: CHa, CzHt, CzHz, HCHO, HCOOH, CH3COOH.8..1{99 y0|lqp c.n6tm< 9-o t6ng sd hat le 143, trong d6 sd hat mang diQn nhiAu hon s6 hat kh6ng mangcli6n-ld 41. Sd kh6i crja M'* nhiu hon X'- lA 33. 56 hat mang


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sAr 6N TAp HoA l6p ro-r,AN rI (11/2010)Bni 1. Xric dinh sri oxi h6a cfia c6c nguyOn t6 N, Cl, Mn, Cr, S trong cdc hgp ch6t sau:a. NO, NOz, N2O, N2O5, N2, HNO3, HNOz, NH3, NHaNO3.b. Cl-, HClOz, Cl2, CIO o, NaClO, KClOl, ClzOt, CaOClz.c. Mn, MnO2, MnClz, KzMnO+, KMnO+.d. K2Cr2O7, Cr, Cr2O3, Crz(SO+):. rJ -Ze. HzS, HS-, S, SOz, SOr, NazSOr, SOl-, HSO; l'FeS, FeS2.Bni 2. Ha$_c6c c6c phdn ftng_ox,i lO-q-ttni trong si5 c6c ph6n rlng sau cl6y:l) iaO + COz -----) CaCO3' ,X /z) cuo + ci -"-- cu + coz ( j3) +Fe(OH)z + 02 + 2HzO ----) 4Fe(OH)3 v4) NaAlOz + COz + 2HzO -) AI(OH)3 J + NaHCOs X5) 2NH3 + HzSO+ ----+ (NH+)zSO+ X6) NaHSo+ + NaHCOT --+ NazSO+ + CO2t + H2o '/K7) 2FeClr + 2KI ------+ ZFeCl2 + 2KCl + h t'/8) 2FeClr + Fe -+ 3FeClzBni 3. Hdy cho bi6t trong nhtng ph6n ring nio sau ddy HCI kh6ng ct6ng vai trd ch6t oxi h6a cfrng nhuchAt khft?1) 2HCl + Ba(OH)z -+ BaClz + 2H2O x2) MnOz + 4HCl ------+ MnClz + Cl2t + 2HzO3) NaAlOz + HCI + H2O ----) AI(OH)3 J + NuCl4) Zn + ZHCI ----+ ZnClz + H2t5) ZCu + 4HCl + Qz --+ ZCuClz + ZHzO6) Fe + 2HCl ---+ FeCl2 + H2t7) Fe(OH)3 + 3HCl ------+ FeClr + 3HzO

8) NHr + HCI -----+ NH4CI9) 3Cu + 2NaNOr + SHCI ----+ 3CuCl2+ 2NOt+ 2NaCl + 4HzO )l0) KzCrzOt + l4HCl dac --a-1 2KCl + ZCrCb+ 3Clzt +7HzO v

Bni 4. a) Hdy cho bitit trong nhtng phin rlng ndo sau ddy SOz tt6ng vai trd ch6t khfi'?i) lPr * Cl2 -----a SOzClz2) SO2 + Ca(OH)z ------+ CaSOr.L + ftzO reitl / 'a '/3) 30, + Br2 + ZHzO -----+ 2HBr + HzSO+ X+) l,9z + HzO + NHg ----_ *t{aHSOr ' ,5) SOz + 2HNOr ---+ nrsoo + NO2t vb) Hay cho bi6t trong nh0ng phin rlng ndo sau ddy SO2 cl6ng vai tro chAt oxi h6a?1) SOz + H2O + Na2SO3 -----) 2NaHSOr I2) SOz + Or ------t SO: + Oz 'i3) $,o, * zH2s ----a,3S + 2*zo ;4) SOz+C +. S+COz ,i, i. .b5) 2KMnOa + 5SO2 +zWO ------+ 2MnSO+ + KzSOa+ZH2SOa )Bni 5. Cdn bing phan fng oxi ho6 khf sau theo phuong ph6p thdng bdng electronl. KMnO+ + Hcld{c -----+ KCI + MnClz + Cl2 +H2O2. FeS2 + 02 -J:-+ FezO: + SOz3. KzCrzOt+ HCld[c -------+ KCI + CrCl3 + Cl2 + H2O

4. Al + HNO: J--+ Al(NOr)r + N2 + H2O

i/{

VX

X


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5. Mg+HNO3 ------+ Mg(NOs)z +NH+NOr +H2O6. FeO + HNOg ----+ Fe(NO3)3 + NO + H2O7. FerO+ +HNOI ----+ Fe(NO3)3 + NO +H2O8. FeCOr+HNOr --+ Fe(NO3)3 + NO +COz+H2O9. Fe(NOr)z + HNOr (loang) --!--> Fe(NO:)r + NO + H2O10. C + HzSO+ dic --a-+ CO2t + SOzt + HrO

Bni 6. Cdn bing ph6n rlng oxi ho6 khft c6 nhi6u nguyn tti thay ddi sO oxi ho51. FeS +HNO: ddc J--+ Fe(NOr)s +HzSO++NOz+H2OZ. FeS2 + HNO: dic --11-+ Fe(NO:)r + HzSO+ + NOz + H2O3. Cu2S + HNO: dac --t1-; Cu(NOr)z + HzSO+ + NOz + H2O4. FeS2 + HzSO+ #"rdry - ,? SO2 + Fez(SO+)i + HzO5. AszS: +HNOrdpc+HzO --!-.) IITAsO+ +NOz+H2O6. FeCuSz + HNOr dlc -!--+ Fe(NOr)r + Cu(NOr)z + HzSO+ + NOz + HzOBni 7. Cdn bing phin fng oxi hoi khrl c6 sp tham gia cria mOi trudng1. AI + NaNO3 + NaOH + H2O -> NaAlOz + NH:2. Zn + NaNO3 + NaOH -+ NazZnOz + NHr + HzO3. FeSO+ + KMnO+ + HzSO+ ----+ Fe2(SO+): + KzSO+ + MnSO+ + HzO4. FeSO+ *KzCrzOt + HzSO+ -----+ Fez(SOc)r + KzSOa + Cr2(SO4)3 + H2o5. Cu + NaNO3 + HCI ---> Cu(NO:)z+NaCl+NOz+HzO6. FeSO+ + Cl2 + HzSO+ ------+ Fez(SO+)r + HCIBdi 8. Cdn bing ph6n ung tr,r oxi ho6 khrl vd oxi ho6 khft nQi phdn ttl. Clz + NaOH -----+ NaCIO + NaCl + H2O2. Cl2 + NaOH ---> NaClOr + NaCl + H2O3. KMnO+ ------+ KzMnOa + MnO2 + 024. KCIOr ------+ KCI + O,

5. KCIO: ---+ KCI + KCIO+Bni 9. CAn bing cdc phdn fng oxi hod khrl sau:l. Fe*O, + HzSO+ cl{c -> Fez(SO+): + SO2t + H2O2. Fe*Or+HNor ---+ Fe(No3)3 +NOt +H2o3. Fe*O, + HNO: d4c ------+Fe(NOr)r + NO2t + H2O4. FerOr+HNOr ----+ Fe(NO3)3 +N*Oyt +H2O5. Fe*O, + CO -----+ Fe + COzBni 10. Cdn bing c6c phin img oxi ho6 khrl sau:l. Mg+HNO3

-)Mg(NOr)z+ NO + NzO+ H2O; bi6t VN,o:Vpe:1: I

?. Al + HNOr ----+ Al(NOr): + NO + NzO + HzO; bi6t V*,o: VNo: I : 3Bni 11. 1) X6c dinh sO oxi h6a trung binh cta cacbon trong c6c hgp ch6t sau: CzHo, CzHq, CzHz,CzHeO, CoHrzOo, CnHzn*2.2)Xfucdlnh sd oxi h6a cfa tung nguyen tf cacbon trong c6c ho. p ch6t sau:a. CHr-CHz-CHr b. CHr-CHz-CH=CHz c' CeHs-CH:d. CH3-CHz-CH=O e. CHr-COO-CHz-CHr; g. HCOOHBei 12. C6n bdng c6c ph6n fng oxi hoii khrl sau:l. CzHz-r KMnO+ -----+ KOOC-COOK + MnOz + KOH + HzO2' CoHs-CHr + KMnO+ -!--+ CcHs-COOK + KOH + MnOz + H2O3. C2Ha + KMnO+ + HzO ----+ CH2(OH)-CH2(OH) + MnO2 + KOH4. CHr-CH=CH2 + KMnO+ + HzO ---+ CH3-CH(OH)-CHz(OH) + MnOz + KOH


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5. C3Ha + KMnO+ + HzSO+ ----+ CH:COOH + CO2 + H2O + MnSO4 + KzSOqBni 13. Hodn thdnh c6c phuong trinh phdn ri'ng sau:l. Cu + HNO: d6c --{--t2. Cu + HNO3lodng3. FeCl3 + H2S --11+ S J +4. KMnOa + HzCzO+ + HzSOI ------+ CO2 + ...5. Fe + H2SOa lo6ng ---)6. Fe + HzSO+ddc -!--> SO2 + ...7. Fe + HNO3 'o > NzO + ...8. Al+HNO3 to > NH+NOg+ '..9. FeO + HNOr -----+ NzO +10. FerOc + HNOg ------+ NO + ...11. S + HNO3 dpc n6ng ------+ NO2 +Bei 14. Cho lugng du nh0m t6c dpng vdi dung dich HzSO+ ct4c n6ng; diu ti6n thhy gitti ph6ng ra khi SO2,sau th6y t4o thanh S J, rOi thAy tho6t ra khi HzS vd cu5i cing gini ph6ng kh( Hz. Hay vitit vd cAn bangc6c phuong trinh phin rlng.Bni 15. Hod tan Fe:O+ bdng dung dich HzSO+ lo6ng du thu dugc dung dlch A. Chia A ldm 7 phAn bingnhau:- PhAn 1, cho t6c dpng v6i dung dich kali pemanganat.- PhAn 2, chot6c dgng vdi dung dich nudc brom.- Ph0n 3, cho t6c dgng vdi dung dich KzCO: du, c6 m4t khdng khi.- PhAn4, chot6cdpngvdi Cu.- PhAn 5, cho t6c dpng vdi Al.- PhAn 6, cho t6c dgng vdi HNOr dec.

PhAn 7, cho t6c dgng v6i dung dlch KNO:.Vitit c6c phuong trinh phin r?ng xdy ra (n6u c6).Bni 16. Hoi tan hoan todn FerO+ trong dung dich HzSO+ lodng du dugc dung dich A. Cho mQt luo. ng bQts6t vira dt vdo dung dich A. Khi phin fng k6t thric thu cluo. c dung dich B.- Cho dung dich B t6c dgng vdi dung dich KOH du tlugc dung dich D, k6t tira E.- Nung E trong khdng khf o nhiQt dQ cao tltin tchOi lu-o. ng kh6ng d6i duqc ch6t rin F.- Th6i mQt luOng CO qua 6ng srl nung n6ng chrla F cho il6n khi thu cfuo. c ch6t rin G vd khi X.- Suc khi X vdo dung dich Ba(OH)z thi thu du-o. c ki5t tfia Y vd dung dich C.- LQc ktit tria Y, dun n6ng dung dich C lai cho t


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Bni 22:Hda tan hodn todn 4,5 gam h5n hqp g6m Al, Mg bing dung dich HCI duthu ilugc 5,04 lit khi A(dktc). Tinh phan trdm khi5i lusns m6i kim lopi trong h6n hqp dA". fl li-$t " {,Tiu,-, f,,ineiZSigOatanh6nhqpg6m 2,7 gamAlvdlg,}gamCutrongdungdl.nifNO, i;HL;Oritiru clu'o.c V litNO (sin phAm khrl duy nh6t, dktc). Tinh V,Bdi24. Hod tan hlt 12 gam mQt kim lo4i chua rO ho6 tri bing dung dich HNOr lodng thu dLro. c 2,24 lit odktc mQt khi kh6ng mdu, kh6ng miri, kh6ng ch6y. X6c dinh tn kim lopi.Bni 25. Cho m gam Al t6c dpng vdi 150 ml dung dich HNOr a (M) vira d0 thu duo. c khf N2O duy nh6t vddung dlch A. CO c4n dung dich A thu dugc (m+18,6) gam mui5i. Tinh a.Bii26. Hda tan 2,4 gamhSn ho. p Cu vd Fe c6 ti lQ mol 1:1 vdo dung dich HzSOa d{c n6ng. Ktit thric phAnrlng thu tlugc 0,05 mol sin phAm k'h& duy nh6t c6 chria S. X6c dlnh sin phdm d6.Bdi27. Cho 2,52gam h5n ho. p Mg vd Al t6c dgng h6t vdi dung dich HCI du thu clu'oc 2,688 lit khi (dktc).Cfing cho 2,52 gam hdn hqp kim lopi trn tdc dgng hiSt v6i dung dich HzSO+ tl4c n6ng thu drLo. c 0,672 litkhi X la s6n phAm duy nh6t hinh thanh do sg khrl 5*6. X6c dinh X.BAi 28. Cho 8,32 gam Cu vdo 3 lit dung dich HNO: vira dri dugc 4,9281it h6n hqp khi X g6m NO, NO2(ttktc). Tfnh kh6i lugng I lft h6n hqp X (dktc), vi ndng d0 mol HNOg dd dirng .BAi 29. Cho 19,2 gam kim lopi M tan h6t trong dung dich HNO3 du thu dugc 4,48 lit khf NO (sdn phArnkhrl duy nhdt, ctktc). X6c dinh M.Bni 30. Cho 1,92 gam Cu tan vira dt trong HNO: lodng thu cluo.c V lft NO (sin ph6m khir duy nhdt,dhc). Tinh the tich khi NO vd kh6i luo. ng HNOr dd phdn fng.Bni 31. Hod tan hodn todn m gam Al vdo dung dlch HNO: lo6ng du thu tluo;c hdn ho. p khi g6rn 0,015 rnolNzO vi 0,01 mol NO (ph6n fng kh6ng t4o mutii amoni). Tinh m.Bni 32. Hod tan hodn todn m gam Al vio dung dich HNOr lodng du thu dugc dung dich X vd l,l2 lit(dktc) h6n hgp khf gdm NzO, NO c6 ti kh6i so vdi oxi bing 1,2. Cho dung dich NaOH du vdo dung dichX dun nhg th6y c6 0,336 lit khi (dktc) thodt ra. Tinh m.Bni 33. Cho 11,88 gam kim loai M t6c dpng hiit vdi HNO: dun n6ng gi6i ph6ng 0,15 rnol h6n ho. p NuOvi Nz c6 d6yq:18,8 (phin fng khdng t4o muiSi amoni). Tim kim lopi M.Bii 34. Cho 5,4 gam kim lo4i R tric dgng n6t vOi HzSO+ dpc n6ng thu cluo. c 1,68 lit HzS (sin phAm kht'duy nh6t, ilktc). X6c dinh kim lo{ R.Bni 35. Cho 12,125 gam suntua kim lopi M c6 hod tr! kh6ng d6i (MS) t6c dsng h6t vO'i dung dlch HzSO+clflc n6ng du tho6t rall,2lft SOz (ilktc). Xdc dlnh M.Bni 36. Cho 10,8 gam mQt kim lofl M t6c dqng hoin toan v6'i khi clo thu dugc 53,4 garn mu5i clorua,Xr{c tlinh kim lopi M.Bni 37. Cho 8,3 gam h6n hqp Al vd Fe t6c dpng tr6t vOi HzSO+ d4c du thu duo. c 6,72 lit khi SOz (sanptrAm ttr* duy nh6t, tlktc). Tinh ttroi luqng m6i tim loSi trong h6n ho. p dAu.Bni 38. Hod tan hodn toin m gam kim lopi M trong dung dich HNq du thu cluo.'c V lit NO duy nh6t. VFtkh6c, hod tan hoin todn m gam kim lo4i M trong dung dich HCI du cfing thu tluo. c V lit khi vd khdi lugngmui5i clorua thu dugc Aing SZ,+8N khdi luo. ng mu6i nitrat thu duo. c d trn. C6c khf do o' cing diAu kiqn,xric


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Bni 43. Khi cho 9,6 gamMg t6c dlrng htSt vdi HzSOe d4c th6y c6 49 gam axit ph6n f'ng tao thdnh MgSO+,HzO vd mQt sin phdm X. X6c dinh X.Bii 44. Hod tan htit h5n ho.'p g6m 0,05 mol Fe vd 0,03 mol Ag vio dung dlch HNOr th6y tho6t ra V tith6n hcyp khi A (dktc) gdm NO vd NOz c6 ti lQ mol tuong ring ld 2:3. Tinh gi6 tri cria V. Bi6t phAn il'ngkhdng t?o ra mu6i amoni.Bei 45. Hod tan hetZZ,OA+ gam h6n hqp Al, Zn trong HNO3 vira ttri thu


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Bni 61. Hda tan hodn todn 20,88 gam mQt oxit sit bing dung dlch HzSO+ ddc, n6ng thu duo-c dung dichXvd3,248lit khf SOz (sdn phAm kAfi duy nhdt, dktc). C6 can dung dich X, thu clugc m gam rnu6i sunfatkhan. Gi6 tr! cria m ld bao nhiu?B i 62. Cho V lit h6n ho. p khi A (ttktc) g6m clo vd oxi ph6n ri'ng vira h6t v6'i h6n ho-p gdm 4,8 gam magievi 8,1 gam nh6m t4o thdnh 37,4 gamh6n ho.p c6c sin phAm. Tfnh V.Bei 63. Cho 15 gam h5n h-o.p X giim Mg, Al vdo dung dich Y gdm HNO3, H2SOa dac (du) thu duo-c 0,1mol m6i khf SOz, NO, NOz, NzO. Tinh %kJlfi lugng Al trong X.Bni 64. H6n hqp A g6m 02 vd O: c6 ti kh6i so vdi hittro li 19,2. H5n h-o. p B g6m Hz vd CO c6 ti kh6i sovdi hirlro le 3,6. Tinh th tich khf A (tfktc) cAn ding A6 O6t ch6y hoin todn 3 mol khi B.BAi 65. Hod tan hodn todn 14,8 gam h5n hqp gdm Fe, Cu vio lu-o. ng du dung dlch h6n ho-p gdrn HNO3 vdHzSO+ t14c (dun n6ng), thu dugc 12,32lit h6n hqp NOz, SOz (dktc) c6 kh6i lugng 27,1 gam. Tinh kh6ilugng Fe, Cu trong hdn hqp.Bni 66. Cho 2,673 gam h6n hgp Mg, Zn tdc dgng vira ctri v6i 500m1 dung dlch chfi'a AgNO: 0,02M vdCu(NOr)z 0,1M. Tfnh thanh phAn % ktrOi luqng mdi kim lopi trong h6n hqp.Bni 67. Hod tan hodn toan m gam h6n h-o. p A gdm Fe vd kim lo4i M (ho6 tri kh6ng cl6i) trong dung dichHCI du thu dugc 1,008 lit khi (tlktc) vir 4,575 gam h6n hqp 2 mu5i. MFt kh'ic, n6u hod tan h6t m garn Atrong dung dich h5n hqp g6m HNOr, HzSO+ dic, n6ng, du thAy tho6t ra 0,084 mol h5n ho. p khf NO2,SO2 ( lA c6c sin phAm kht duy nhft) c6 ti kh6i so vdi hidro ld 25,25.Xdc dinh kim logi M.Bni 68. Dung dlch X chfa AgNO3 vd Cu(NOs)2 c6 cirng ndng dQ mol/I. Thdm m6t luo-ng h6n ho. p g6m0,03 mol nhdm vi 0,05 mol sEt vdo l00ml dung dich X d6ng thoi khu6y ky. Khi ph6n f'ng kiSt thric thudus. c ch6t rin Y gOm 3 kim lo4i. Cho Y vdo dung dich HCI du th6y giai ph6ng ra 0,A7 gam khi. X6c dinhn6ng itQ mol/l cfia Z mutii trong dung dich X.Bni 69. Cho 8,3 gam h6n h-o.p X g'5m Al, Fe (ti l9 mol l:1) vdo l00ml dung dich Y g6m CuOtrO:)z vdAgNO3 tltin khi phin tmg hodn toin thu dugc chdtrilnA. Hod tan A vdo dung dich HCI du th6y co 1,12lit khi (tlktc) tho6t ra vi cdn lpi 28 gam ch6t rfn kh6ng tan B. Tfnh n6ng dQ mol cria Cu(NOr)z vdAgNO3 trong Y.Bni 70. Cho 2,4 gam Mg vd 3,25 gam Zn t6c dpng vdi 500 ml dung dich A ch6'a Cu(NOs)z vd AgNO:di5n phin f'ng hodn todn thu dugc dung dich B vd26,34 gam hdn hqp C g6m 3 kim toai. Cho C vdo dungdich HCI du th6y tho6t ra 0,448 lft khi (dktc). Tinh n6ng dQ mol c6c chAt trong dung dich A.Bni 71. Cho I 1,2lith6n ho. p A g6m clo vd oxi phan rlng vira dri vdi 16,98 gam hdn ho. p B gdm Mg vd Altpo ra 42,34 gam h5n hqp sdn phAm. Thinh phAn ktr6i lugng cta Mg, Altrong h6n hgp B.BiLi 72. OOt chay mQt lugng nhOm trong 6,72lit khi oxi, ch6t rEn thu duo. c sau phAn 0ng mang hod tanhi5t trong dung dich HCI thdy bay ra 6,72litkhi H2 (c6c khi do 6 dktc). T(nh kh6i luo. ng nhdm d5 dirng.Bni 73. Khi d6t 37,9 gam h6n hqp Al, Zn trong binh khf clo thu dugc 59,2 gam h6n ho. p ch6t rin. Choh6n hqp ndy tan h6t trong dung dich HCI du thAy tho6t ra l1,2lft khi (dktc). Tfnh kh6i luo. ng m6i kirnlo4i Al, ZntronghSn hryp ban diu.8 i74. OOt chay x mol sit Uing oxi thu dugc 5,04 gam h6n h-op A g6m c6c oxit cria sit. Hoa tan hodntodn A trong dung dich HNO: du sinh ra 0,035 mol h5n hqp Y g6m NO, NOz (ld c6c sin phAm khri'duynh69 cO d6y1r:19. Tinh x.Bni 75. Nung m gam bQt sit trong oxi thu dugc 3 gam h6n ho. p chAt ran X. Hod tan h6t X trong dung diclrHNO3 du th6y tho6t ra 0,56 lit khf NO (sin phAm khri duy nhAt, ctktc). Tinh gi6 tri cta m vd kh6i luo. ngmuiSi sinh ra.Bni 76. Oxi ho6 5,6 gam s6t thu dugc 7,36 gam h6n hcyp A gdim Fe2O3, Fe:O+ vd mQt phAn Fe cdn du.Hod tan hoin todn A bing HNOr du th6y tho6t ra V lft h6n hqp khi B gdm NO, NOz (dktc) c6 d56711r= 19.Tfnh V.8 i77. D6 m gam bQt sit ngoii khOng khi, sau mQt thdi gian s chuy6n thdnh h6n ha'p B g6m 4 chat rfnc6 kh5i lugng 12 gam. Cho h5n hqp B phdn rlng trtit vOi dung dich HNOr du thdy thoSt ra 2,24 lft NO(dktc). Tinh m vd kh6i lugng HNOg ttd phin ring.


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Bei 78. D a gam bQt s6t ngodi kh6ng khi, sau mQt thdi gian sE chuytin thdnh h6n hgp A g6m 4 ch6t rinc6 kh6i lugng 75,2 gam. Cho h6n ho.p A phin rlng tr6t vOi dung dich HzSOa d{c nong du th6y tho6t ra6,72lit SO2 (dktc) vd dung dich B. C6 cpn cAn thfln dung dich B dugc b gam muSi khan Tinh a, b.Bni 79. Nung m gam bQt Cu trong khf oxi thu dugc 24,8 gam hdn hqp ch6t rin X gdm Cu, CuO vd CuzO.Hod tan hoin todn X trong HzSO+ tl{c n6ng tho6t ra 4,A8lit khi SOz (dktc). Tinh m.Bni 80. Nung 55,68 gam h6n hqp gtim Fe:Oa vd FeCO: ngodi khdng khi cluoc 43,84 gam h6n ho-p 3 oxitsit va V lft khi COz (dktc). Hod tan hodn toan c6c oxit ndy trong dung dich HNO: du cluo. c 0,896 lit khiNO. Tinh V.Bni 81. Hod tan h6t m gam h6n h-o.p Fe, FeO, FerO+, Fe2O3 trong dung dich HNO: du thu duo;c 448 mlNO2 (dktc). CO c4n dung dlch sau phdn tlng clugc 14,52 gam. Tinh gi6 tri m.Bili 82. TrQn 84 gam bQt Fe vdi 32 gambQt S r6i dun n6ng (khOng c6 khdng ktf). Hod tan chAt rin A saukhi nung bing dung dich HCI du du-o. c dung dlch B vd khi C. OOt chriy khi C cAn V lit oxi (dktc). C6cphin rlng xiry rahodn todn. Tfnh V.Bni 83. OtSt chay hodn todn 16,2 gam kim lo4i M (ho6 tri kh6ng d6i) trong binh kfn chfi'a 0,15 mol oxi.Ch6t rfn thu du-o. c cho tan trong dung dich HCI du th6y tho6t ra 13,44\it H2 (dktc). X6c clinli M.Bni 84. H5n hqp A gdm Al vd Fe. Ntiu hod tan trtit t t gam A trong dung dich HzSO+ lodng du thu dugc8,96 lft khi (dktc) cdn khi hod tan hi5t 5,5 gam A trong H2SOa d4c n6ng du thi thu clugc V lft khi B (sAnptrAm tctrri duy nh6t, dktc). X6c dinh V.Bni 85. Chia m gam h6n hgp 2 kim lopi A, B c6 ho6 tri khdng d6i, dri'ng tru6'c hidro thdnh 2 phAn bingnhau. PhAn I tan hrit trong dung dich HCI du t4o thinh 1,792lft H2 (dktc). PhAn 2 nung trong oxi du thLrdu-o. c 2,84 gam h6n hq p oxit. Tinh gi6 tri cria m.Bni 86. Khrl m gam Fe2O3 bdng H2 thu clu-o.c 2,7 gam nudc vd hdn h-qp A g6m 4 chilt. Hod tan A trongdung dlch HNOr du tho6t ra V lft NO (sin phAm khtl duy nh6t, dktc). Tinh VBni 87. Hod tan h6t 28,8 gam Cu vdo dung dich HNOr lodng, t6t ci khi NO (sAn phAm khri'duy nh6t) sinhra dem oxi ho6 htit thann NOz r6i sgc vdo nudc c6 ddng oxi dO chuy6n h6t thann HNOr. Tfnh th6 tich oxi(ttktc) c16 tham gia vio c6c phin ri'ng trong qu6 trinh trn.Bni 88. TrQn 0,81 gam bQt nhOm vdi h6n hqp X g6m Fe2O3, CuO r6i thgc hign phAn f'ng nhiQt nh6rn.Hoi tan fr6t ctrAt rin Y sau phin rlng trong dung dich HNO: du thu duqc V lit (dktc) h6n ho. p khi NO,NOz theo ti lQ mol l:3. Tinh V.BAi 89. Cho khi CO qua ting sf chfa m gam Fe2O3 nung n6ng, sau mQt thdi gian thu duo. c 5,2 gam h6nhqp X g6m Fe vi 3 oxit cta sit. Hoi tan X bing dung dich HNOr d{c n6ng du th6y tho6t ra 0,05 mol khiNOz. X6c clinh m vd si5 mol HNOr tl6 tham gia phdn rlng.BAi 90. Cho kh( H2 di qua 6ng srl chrla m gam FezOr dun n6ng, sau m6t tho'i gian thu drLo. c 20,88 gamh6n hqp 4 chdtrin. Hod tan hiSt lugng ch6t r6n fi6n trong dung dlch HNOr du th6y tho6t ra 0,39 rnol NOzduy nhAt. Tinh khdi lucr. ng mui5i sinh ra, khtii lugng HNOr tl6 tham gia phin fng.Bni 91. Cho 2,3521it CO (dktc) di qua m gam h5n hgp A g6m FeO, FerO+, Fe2O3 c6 sd mol bing nhaunung n6ng thu ilugc h6n ho. p ch6t rin B. Cho B tan h6t trong dung dich HNOI du thdy tho6t ra 2,24 litNO duy ntr6t lenc;. C4c phdn rlng xiy ra hodn todn. Tinh m.Bni 92. H6n hgp A g$m 2 kim loai (ddu c6 ho6 tri kh6ng d6i, drlng tru6'c hidro trong d6y ho4t clQng vdkhdng t6c dgng vdi nudc o diAu kiQn thuong). Cho A phdn ring hodn todn v6'i dung dich CuSOa du, lAylugng Cu thu dugc cho phan fng tr6t vCi dung dich HNO: du thi thu dugc l,l2lit NO duy nh6t (dktc;.N6u cho lugng A o trn phin rlng hodn todn vdi dung dich HNOr lodng thi thu tluqc V lit Nz (dktc).Tfnh V.Bei 93. Oxi ho6 mQt luqng Fe thdnh h6n h-o. p X gdm FeO, FerO+, Fe2O3 cAn dirng a mol oxi. pe nr0'hoantodn hdn hgp X ve Fe cin b mol nhdm. Ti lQ a:b bing bao nhi0u?Bni 94. Cho khf CO qua 6ng sf chfa a gam Fe2O3 nung n6ng, sau mQt thd'i gian thu duo. c 13,92 garn h6nhgp X g6m Fe, FeO, Fe:O+, FezO:. Hod tan frr5t X Uing dung dlch HNO3 ddc n6ng drt thu drroc 5,824 lftNO2 ld sin phAm khri duy ntr6t 1Ot


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Bni 95. Cho 2,352Ift CO (dktc) di qua m gam h6n hqp A gdm FeO, Fe3Oa, Fe2O3 c6 s6 rnol bing nhaunung n6ng thu du-o. c h6n ho. p chdt riin B. Cho B tan h6t trong dung dich HNO3 du thAy rhoiir ra i,zq tftNO duy ntr6t lOttc;. C6c phin tlng xdy ra hodn toin. Tinh si5 mol HNO3 tl6 tham gia ph6n ri.ng.Bai 9q. TrQn 0,54 gam bQt nhOm vdi h6n hgp Fe2o3, Cuo r6i ti6n hanh ph6n fng nhiQt nh6m. Hod ranchAt rEn A sau phAn fng trong dung dich HNO3 du thu du-o. c 0,896 tit 1Ot


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Trulng THPT chuy6nKhoa hgc Tg nhi6n BAI KIEM TRA iVTON HOA LOP IO.LAN 1Thdi gian ldm bei 45 phut (30/1012010)

Bni 1. Phat bi0u dinh lu4t tuAn hodn. So sSnh b6n kfnh nguy6n ttr, tinh kim loai, dQ dm ctiQn^ .icila cdc nguyn t6: Na (Z:11),K (Z:19), Al (Z:13),Mg (Z:12).

Bni 2yHidro c6 ba d6ng vi ld lH, tH'nd 3H; clo c6 hai d6ng v! la 35C1, 37C1. Vitit c6ng thiic c6cloai phdn tri hidroclorua kh6c nhau vd tinh ph6n tri kh6i cria chring."1Bni 3;DOng trong tu nhiOn c6 hai lopi d6ng vild flCuva llCu. Nguy0n tftkh6i trung binh

cua dong lit 63,54.1. Tinh ti l0 phAn trdm s6 nguyn tu cia m6i d6ng vi.2. Tinh phAn trdm khdi lugng cria d6ng vi llcu co trong cusoa. cho S:32, 0:16.

t/Bii 4lTdng sd h4t proton, ncttron vA electron trong 2 nguyn tri kim loai A, B Id 142. Trongd6 tdng s5 nat mang dign nhiAu hcrn t6ng sri hat khdng mang diQn ld 42. S6 h4t mang dign crianguyOn tri B nhiAu hon cria Ald,12 hat. Vit5t cdu hinh electron nguyn tri cria A, B vd x6c dinhvi tri cria A, B trong BTH. C5c nguyOn tO A, B ld kim lopi, phi kim hay khf hi6m vd ld nguyOntd thu6c kh6i nao (s, p, d, f)?,/Bni S.'Dua viro d0 6m diQn, hdy s6p xtip theo chi6u tdng dAn dQ phdn cuc cta li6n kiit gitra 2nguyn tri trong phdn tri c6c ch6t sau: K2o, Mgo, HCl, CH4, AlN, 02, caBr2, BCl3. phdn tirndo co chua li6n k6t ion, lin k6t cQng h6a tri kh6ng ph6.n cuc, li6n k6t cdng h6a tri phdn cgc?Cho nguyOn t6: K H C Br Cl O N Mg Al Ca BdQ 6m diOn: 0,8 2,1, 2,5 2,8 3,0 3,5 3,0 1,2 1,5 1,0 2,0Bni 6. Hqp ch6t khi v6i hidro cria mQt nguy6n t6 c6 c6ng thric RHa. Trong hqp ch6t oxit caontrAt R,chi 6m 27 ,27Yo theo kh6i lugng.1. X6c dinh nguyn t5 n. Vit c6u hinh electron nguyOn tr? cria R. (bit trong hat nh6n

nguy6n tri R c6 sO h4t notron bing s5 hat proton)2. Vi6t cdng thric c6u t4o, c6ng thric electron cria hqp ch6t oxit cao nh6t cria R.Bni 7. Nguy0n tO X e chu ki 3, nh6m VIA cta BTH. Vii5t c6u hinh electron nguyOn tri c6c^:guyn td cung nhom vd thuQc hai chu ki k tiOp (tron vd dudi) v6i nguyOn t6 X.

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