.
1
| l. , 90Sr | 38, 90, 38 38, 52, 38 90, 52, 38 | |
| 2. | ||
| 3. | O2, Cl2, Br2 O3, P4, H2O N2, F2, NH3 | |
| 4. X1 X2 Fe → FeCl2 → FeCl3 1 2 | Cl2 HCl HCl Cl2 HCl NaCl | |
| 5. 200 10%- , 18%? | 19,5 15,5 |
2
| 1. | ||
| 2. | ||
| 3. | aF2, Na2S, N2 NaCl, Li2O, SO2 SiF4, HF, H2S | |
| 4. SO2 → SO3 → H2SO4 | H2O O2 O2 H2O O2 H2S | |
| 5. 300 13% - , 8%? | 187,5 |
3
| 1. 1s22s22p63s23p63d104s24p64d105s25p4 | 2 3 4 | |
| 2. Li2O → BeO → B2O3 | ||
| 3. | ||
| 4. FeO → X → Y → Fe(OH)3 | Fe(OH)2 Fe(NO3)3 FeSO4 Fe(OH)2 Fe(NO3)3 Fe2O3 | |
| 5. 112 (..) 1 . (%) . | 7,8 33,5 |
4
| 1. 1s22s2263s23p6 3d104s243 | ||
| 2. | ||
| 3. | CaO NH3 MgCl2 | |
| 4. Ba → BaCl2 → BaSO4 | Cl2 K2SO4 Cl2 SO3 HCl SO3 | |
| 5. (, ..) , 19,4 11,2 (..) . | 2,8 6,72 4,48 |
|
|
|
5
| 1. O3 | ns2np4 ns2n3 ns2np1 | |
| 2. | ||
| 3. 9 19? | ||
| 4. t HCl Fe(OH)3 → 1 → 2 2 | FeCl2 FeCl3 Fe2O3 | |
| 5. 6,72 (..) 250 4,8 % - . () . | 18,9 31,2 37,8 |
: .
.
1. , , .
2. , .
3. , : , , , ?
4. :
) , , , ;
) ;
) , , ;
) , , (IV);
) ;
) (IV), (VII);
) , , .
5. - ? .
6. . .. .
1
| 1. (III). | 1/5 1/3 1/2 | |
| 2. . | 70,7 | |
| 3. 6,2/. ? | ||
| 4. : lO3 + + 2 = 34 + 1 . | 84,5 169,0 14,08 | |
| 5. 2,25 3,15 . . ( 1/zHNO3) = 21/ |
2
| 1. . | 1/3 1/5 | |
| 2. . | ||
| 3. 64/. . | 5,3 | |
| 4. Fe3+. . | 18,7 | |
| 5. 3,0 4,92 . . M (1/z S)=16 / |
|
|
|
3
| 1. (III). | 1/6 1/3 1/2 | |
| 2. - ( ). | 62,8 31,6 | |
| 3. 8/. ? | ||
| 4. Au + HN3 + 3HCl = AuCl3 + NO + 2H2 . | 31,5 | |
| 5. , 32,6/, 5,6 (..). . | 16,3 32,6 65,2 |
4
| 1. . | 1/4 1/2 1/3 | |
| 2. (III). | 26,67 53,33 | |
| 3. 3/. ? | ||
| 4. H3As4 + 2HI = H3AsO3 + I2 + H2O. H3As4 . | 47,3 | |
| 5. 2,4 8,8 . . |
5
| 1. (V). | 1/10 1/5 1/3 | |
| 2. . | 20,5 | |
| 3. 239 /. ? | 51,75 103,5 | |
| 4. 5HNO2 + 2HMnO4 = 2Mn(NO3)2 + HNO3 + 3H2O . | 23,5 15,67 | |
| 5. 14,6 22,4 . | 73,0 18,25 26,07 |
: . .
.
1. . . , : )2 )3.
2. , . n=4?
3. , :
) 4d ;
) 4 .
4. : ) 5s, ) 5, ) 5d?
5. ? 4s- ?
6. , ? ?
7. ? ? .
8. . .
|
|
|
.
9. ? . .
1
| 1. . | 33 2d5 4s2 | |
| 2. | ||
| 3. | HClO4, H2CO3, HCl K2S4, CaCO3, NH4Cl CS2, BF3, P2O5 | |
| 4. | SiF4, CH4, NH3 AlH3, NH3, SiH4 CaH2, PH3, SiCl4 | |
| 5. () | CF62- SiF62- FeF63- |
2
1.
2.
3.
4. sp3
5. ()
2s2
4d10
3p3
Fe, Si, C
, Fe, Si
C, Si, Fe
CCl4, NH3,CO
3, CH4, NH4+
H2O2, NO2, NH3
AlH3, SiH4, PH3
CH4, H2O, NH3
H2S, NH4+, BH3
B2
Be2
C2
3
1.
2.
3.
4. sp2_
5 ()
.
3s23p63d104s1
3s23p63d94s2
3s23p64s23d9
B,Be,C
Be,B,C
C,B,Be
HF, HCl, HI
Ge2, SiO 2, CO2
H2O, H2S, H2Se
NH3
CH4
H3
He2+
He2+2
He2
4
1. .
2.
3.
4.sp2 sp3-
5. ()
1s22s222
1s22s12p3
1s22s12p4
n,1
n, 1, m
n, 1, m, s
As, P, N
P, As, N
N, P, As
H2O, CH4
PH3, CCl 4
BH3, NH3
H2+
H2-
H22-
5
| 1. d- | ||
| 2. | Cl, Br, I I, Br, Cl Br, I, Cl | |
| 3. sp3 - | 2 NH4+ CO2 | |
| 4. | NH3, CH4 H2O, CO2 H2O2 , HF | |
| 5. () | B2 C2 N2 |
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