ễN KIM TRA TIT CHNG NGUYấN T- S Cõu 1: S Obital(AO) ca cỏc phõn lp s, p, d, f ln lt l? A 1; 3; 5; B 1; 2; 3; C 2; 6; 10; 14 D 2; 4; 6; Cõu 2: Nguyờn t O(Z = 8) nhn thờm 2e thỡ cu hỡnh e tng ng ca nú l: A 1s2 2s2 2p6 3s1 B 1s2 2s2 2p6 C 1s2 2s2 2p6 3s2 3p6 D 1s2 2s2 2p4 Cõu 3: Cho cu hỡnh electron ca Al(Z = 13): 1s22s22p63s23p1 Hi Al thuc loi nguyờn t gỡ? A Nguyờn t d B Nguyờn t s C Nguyờn t f D Nguyờn t p 39 40 41 Cõu 4: Trong t nhiờn Kali cú ba ng v: 19 K (x1 = 93,258%); 19 K (x2 %); 19 K (x3 %) Bit nguyờn t trung bỡnh ca kali l 39,13 Giỏ tr ca x2 v x3 ln lt l? A 0,484% v 6,258% B 0,012% v 6,73% C 0,484% v 6,73% D 0,012% v 6,258% Cõu 5: trng thỏi c bn S(Z = 16) cú bao nhiờu e c thõn? A B C D 35 37 Cõu 6: Trong t nhiờn, Clo cú ng v Cl v Cl, ú ng v chim 35Cl 75% v s ng v Phn trm lng ca 35Cl KClO4 l A 21,43% B 7,55% C 18,95% D 64,29% Cõu 7: Nguyờn t ca nguyờn t no sau õy cú s ht ntron nh nht ? 19 40 39 A F B 20 Ca C 19 K D 41 21 Sc Cõu 8: trng thỏi c bn Nito(Z = 7) cú bao nhiờu e c thõn? A B C D Cõu : Cu2+ cú cu hỡnh electron l: A 1s22s22p63s23p63d94s2 B 1s22s22p63s23p63d104s1 C 1s22s22p63s23p63d9 D 1s22s22p63s23p63d8 Cõu 10: Ion X2- v M3+ u cú cu hỡnh electron l 1s22s22p6 X, M l nhng nguyờn t no sau õy ? A F, Ca B O, Al C S, Al D O, Mg Cõu 11: Dóy gm nguyờn t X, cỏc ion Y2+ v Z- u cú cu hỡnh electron : 1s22s22p63s23p6 l: A Ne, Mg2+, FB Ar, Mg2+, FC Ne, Ca2+, ClD Ar,Ca2+, ClCõu 12: Cation R+ cú cu hỡnh electron phõn lp ngoi cựng l 2p Vy cu hỡnh electron ca nguyờn t R l A.1s22s22p5 B.1s22s22p63s2 C.1s22s22p63s23p1 D.1s22s22p63s1 Cõu 13: Ion M3+ cú cu hỡnh electron phõn lp ngoi cựng l 3d5 Vy cu hỡnh electron ca M l A 1s22s22p63s23p64s23d8 B 1s22s22p63s23p63d64s2 C 1s22s22p63s23p63d8 D 1s22s22p63s23p63d54s24p1 Cõu 14: Cu hỡnh e ca ion Mn2+ l : 1s22s22p63s23p63d5 Cu hỡnh e ca Mn l : A.1s22s22p63s23p63d7 B.1s22s22p63s23p63d54s2 C.1s22s22p63s23p64s24p5 D 1s22s22p63s23p63d34s24p2 Cõu 15: Nguyờn t X cú tng s ht p,n,e l 115 v s l 80 S lp electron v s electron lp ngoi cựng ln lt l: A & B & C & D & Cõu 16: Chn cõu phỏt biu sai: A Trong nguyờn t s p = s e = s n v in tớch ht nhõn B S bng tng s ht p v n C S p bng s e D Tng s p v s e c gi l s Cõu 17: Cho nguyờn t nguyờn t X cú 12p v 12n Kớ hiu nguyờn t ỳng ca X l? 12 24 24 12 A 24 X B 12 X C 24 X D 12 X Cõu 18: Nguyờn t ca nguyờn t R cú lp e, lp ngoi cựng cú 5e Vy s hiu nguyờn t ca nguyờn t R l: A 19 B 16 C 14 D 15 Cõu 19: Mt nguyờn t X cú ng v cú t l s nguyờn t l 27/23 Ht nhõn ca X cú 35 proton ng v th nht cú 44 ntron ng v th hai cú nhiu hn ng v th nht l ntron Nguyờn t trung bỡnh ca nguyờn t X l :A 78,90 B 79,20 C 79,92 D 80,5 Cõu 20: Cu hỡnh electron no sau õy l ca kim loi: A 1s2 2s2 2p6 3s2 3p5 B 1s2 2s2 2p6 3s2 3p4 C 1s2 2s2 2p6 3s2 3p6 D 1s2 2s2 2p6 3s2 12 14 14 Cõu 21: Cú nguyờn t: X , 7Y , Z Nhng nguyờn t no l ng v ca mt nguyờn t? A X & Y B Y & Z C X & Z D X,Y & Z 35 Cõu 22: Nguyờn t X cú hai ng v, ng v th nht X chim 75% Nguyờn t trung bỡnh ca X A 34 B 37 C 36 D 38 l 35,75 ng v th hai l: X X X X Cõu 23: Mt nguyờn t X cú tng s electron cỏc phõn lp s l v tng s electron lp ngoi cựng l Nguyờn t X l: A Flo (Z = 9) B Oxi (Z = 8) C Clo (Z = 17) D Lu hunh (Z = 16) 3+ Cõu 24: Ion M cu hỡnh electron phõn lp ngoi cựng l 3d Vy cu hỡnh electron ca M l: A.1s22s22p63s23p43d8 4s2 B.1s22s22p63s23p63d64s2 C 1s22s22p63s23p43d5 4s23d5 D.1s22s22p63s23p43d34s24p2 Cõu 25: Nguyờn t nguyờn t X cú electron cui cựng c phõn b vo phõn lp 3p1 Nguyờn t nguyờn t Y cú electron cui cựng c phõn b vo phõn lp 3p3 S proton ca X, Y ln lt l : A 13 v 15 B 12 v 14 C 13 v 14 D 12 v 15 Cõu 26: Nguyờn t Bo cú ng v: 11B (x1%) v 10B (x2%), nguyờn t trung bỡnh ca Bo l 10,8 Giỏ tr ca x2% l: A 80% B 89,2% C 20% D 10,8% Cõu 27: Electron thuc lp no sau õy liờn kt kộm cht ch vi ht nhõn nht? A lp M B lp K C lp L D lp N Cõu 28: Kớ hiu no s cỏc kớ hiu ca cỏc phõn lp sau l khụng ỳng? A 3f B 2p C 3d D 4f Cõu 29: Mnh no sau õy khụng ỳng? A Ch cú ht nhõn nguyờn t Mg mi cú t l gia s proton v ntron l : B Nguyờn t Mg cú lp electron C Nguyờn t Mg cú electron lp ngoi cựng D Ch cú ht nhõn nguyờn t Mg mi cú 12 proton Cõu 30: Tng s ht mang in ion AB 43- l 50 S ht mang in nguyờn t A nhiu hn s ht mang in ht nhõn nguyờn t B l 22 S hiu nguyờn t A, B ln lt l: A 16 v B v 16 C 15 v D v 15 Cõu 31: Trong phõn t MX2 cú tng s ht p,n,e bng 164 ht, ú s ht mang in nhiu hn s ht khụng mang in l 52 ht S ca nguyờn t M ln hn s ca nguyờn t X l Tng s ht p,n,e nguyờn t M ln hn nguyờn t X l ht Tng s ht p,n,e nguyờn t M ln hn nguyờn t X l ht S hiu nguyờn t ca M l: A 12 B 20 C 26 D 40 Cõu 32: Nguyờn t canxi cú kớ hiu l 20 Ca Phỏt biu no sau õy sai ? A S hiu nguyờn t ca Ca l 20 B Tng s ht nguyờn t Ca l 40 C Ca ụ th 20 bng tun hon D Nguyờn t Ca cú electron lp ngoi cựng Cõu 33: Dóy no cỏc dóy sau õy gm cỏc phõn lp electron ó bóo hũa ? A s1, p3, d5 B s2, p4, d6 C s2, p5, d10 D s2, p6, d10 Cõu 34: Mnh no sau õy khụng ỳng ? (1) S in tớch ht nhõn c trng cho nguyờn t (2) Ch cú ht nhõn nguyờn t oxi mi cú proton (3) Ch cú ht nhõn nguyờn t oxi mi cú ntron (4) Ch cú nguyờn t oxi mi cú electron A v B v C D Cõu 35: Chn cõu phỏt biu sai : Trong mt nguyờn t luụn luụn cú s proton = s electron = s in tớch ht nhõn Tng s proton v s electron mt ht nhõn gi l s S A l lng tuyt i ca nguyờn t S proton =in tớch ht nhõn ng v l cỏc nguyờn t cú cựng s proton nhng khỏc v s ntron A 2,4,5 B 2,3 C 3,4 D 2,3,4 24 25 26 Cõu 36: Cho ba nguyờn t cú kớ hiu l 12 Mg , 12 Mg , 12 Mg Phỏt biu no sau õy l sai A.S electron ca cỏc nguyờn t ln lt l: 12, 13, 14 B.õy l ng v C.Ba nguyờn t trờn u thuc nguyờn t Mg D.Ht nhõn mi ngt cú 12 proton Cõu 37: Chn phỏt biu sai:A S bng tng s ht p v n B Tng s p v s e c gi l s C Trong nguyờn t s p = s e = s in tớch ht nhõn D S p bng s e 2+ Bi Mt ion M cú tng s ht proton, ntron, electron l 91, ú s ht mang in nhiu hn s ht khụng mang in l 21 Cu hỡnh electron ca nguyờn t M ? Bi Nguyờn t A cú hai ng v X v Y T l s nguyờn t ca X : Y l 45 : 455 Tng s ht nguyờn t ca X bng 32 X nhiu hn Y l ntron Trong Y s ht mang in gp ln s ht khụng mang in Tớnh nguyờn t lng trung bỡnh ca A Bi Trong tự nhiên, đồng có đồng vị 63 Cu 65 Cu , đồng vị 65 Cu chiếm khoảng 27% khối Phần trăm khối lng 63 Cu Cu2 O ? Bi Hũa tan hon ton 6, 082 gam kim loi R cú húa tr II vo dung dch HCl thu c 5,6 lớt khớ (ktc) a) Tớnh nguyờn t trung bỡnh v gi tờn R b) R cú ba ng v bn Tng s ca ng v l 75 S ca ng v th bng trung bỡnh cng s ca ng v cũn li ng v th chim 11, 4% v cú s nhiu hn ng v l n v.Tớnh s v phn trm ca mi ng v Bi Cho 8,24 gam ddch mui NaX tỏc dng va vi ddch AgNO3 thỡ thu c 15,04 gam kt ta a) Tớnh nguyờn t ca X v gi tờn b) Nguyờn t X cú hai ng v Bit ng v th cú s ntron hn ng v th nht l v phn trm ca c hai ng v bng nhau.Tớnh s ca mi ng v Bi Trong anion X3- tng s ht l 111; s electron bng 48% s Tỡm s proton, electron, notron v tỡm s A ca X3- Bi Nguyờn t A cú cu hỡnh electron phõn lp ngoi cựng l 4s1 Nguyờn t B cú phõn lp electron lp ngoi cựng l 3p5.Vit cu hỡnh y ca A v B Gi tờn A,B