TD7 : Classification périodique – corrigé

TD7 : Classication périodique – corrigé
Exercice 1  
 Z= 94  239 −94 = 145    
    Z          
Exercice 2    
       −         − 
       100 =              
− × =−    
       =−                
        ×− =−    
         d=,  =−      V'd3=−  
     da=−      Va=d3
a=−        
  n=V/Va=           
                      Vp=×× =
             Vg=−      ng=Vp/Vg=
        Va=−      ng   V=ng×Va=
 ×− =−        
Exercice 3   
            mp=,×− 
•m(
)'52mp',×−  
•m(
)'52mp'×−  
•m(
)'52mp' ×−  
•m(
)'52mp',×− 
Exercice 4   
   β−                 
        β−          
−
−−→ 
 −
−−→ 
+−
−−→ 
 +−−→   +  +k,
 k            (135 −52) + (102 −42) + k= 143 + k
      239 −94 + 1 = 146     k= 3      
       n3n             
Exercice 5    
(2 ,1,2,−1/2)  ml> l
(2 ,2,2,1/2)  l > n −1
(3 ,−1,1,−1/2)  l < 0
(4 ,2,2,1)  ms6=±1/2
(7 ,3,−2,0)  ms6=±1/2
  (5 ,0,0,1/2)  
(4 ,1,−1,−1/2)  
(5 ,2,2,−1/2)  
(8 ,1,−1,1/2)  
(8 ,4,0,−1/2)  
    5fn= 5  l= 3  ml=−3,−2,−1,0,1,2,3 ms=−1/2 ,1/2     
Exercice 6   
  : 1s22s22p63s23p6
| {z }
4s23d6
| {z }
  : 1s22s22p6
| {z }
3s23p2
| {z }
  : 1s22s22p63s23p63d10
| {z }
4s24p2
| {z }
  : 1s22s22p6
| {z }
3s23p1
| {z }
Exercice 7      
•  
•  
•  
•  
Exercice 8   
: 1s22s22p5           
: 1s22s22p63s23p4        3p   
 : 1s22s22p63s23p1            n= 2     
 : 1s22s1              
 : 1s22s22p63s23p64s2     4s          
Exercice 9     
  n= 4        l      2l+ 1     
     n= 4   1+3+5+7 = 14         
  l   

Exercice 10      
•1s12p5  
•1s22s22p63s2 
•1s22s22p63s23p64s23d8 
•1s22s22p63s23p64s13d9 
•1s22s22p63s23p64s13d10              