3. ( , ):
| Zn | ZnO | Zn(OH)2 |
| Zn + ___= ZnCl2 + ___ | ___+ H2SO4 = ___+ H2O | ___ + HNO3 = ___ + H2O |
| ___+ NaOH = Na2ZnO2 + ___ | ZnO +___= Na2ZnO2 + ___ | Zn(OH)2 + ___ = ___+ H2O |
4. .. 뺺.
28 ,
, .
1. , :
) Ne, Ar, Kr; 1. ;
) Na, K, Rb; 2. ;
) Be, Mg, Ca; 3. .
) F, Cl, Br.
2.
) , ) , ) ,
; ; ;
| Li | N | Ca | Cu |
| Be | Na | Zn | Ag |
| Ba | B | K | Au |
| Ne | O | F | Rb |
| Mn | Te | Re | Bh |
| Be | Na | Zn | Ag |
| F | Cl | Br | I |
| Ne | O | Fr | Rb |
| Li | N | Ca | Xe |
| Be | Na | Kr | Fe |
| Ba | Ar | K | Ru |
| Ne | O | F | Os |
3. :
) ;
) ;
) ;
| (2) | = | ; | DH2 | (O2) | = | ||||||||||||||
| M | (F2) | = | ; | D H2 | (F2) | = | |||||||||||||
| M | (Cl2) | = | ; | D H2 | (Cl2) | = |
4. ᒺ 䳿 7,8 ?
|
|
|
29
|
|
|
1. :
) _______________________________
) ______________________________
) _______________________________
)
________________________________
)
________________________________
)
________________________________
)
________________________________
)
___________________________
) __________________
) __________________
) _________________________
) __________________
2. , .. 뺺:
) , ;
) , ;
) , ;
) , .
3. ³ R2O3 102. .
4. R 2R4, 98.
R. ó.
|
|
|
30 : .
( ). .
1. ϳ , , , :
_______________________________________________
_______________________________________________
_______________________________________________
_______________________________________________
2. , :
) ;
) ;
) ;
) .
3. :
) ; 1. ,
