#include<stdio.h>

struct element_t
{   
int Num;   
char Name;   
char Symbol;   
float Weight;
int Struct[7];   
}element_t;

struct element_t array;

void scan_element()
{   
printf("The atomic number:");      
scanf("%d",&array.Num);         
printf("Name of the element:");      
scanf("%s",&array.Name);  
printf("Cheimical symbol:");      
scanf("%s",&array.Symbol);      
printf("Atomic weight:");      
scanf("%f",&array.Weight);           
printf("Number of electrons in each shell(7 integers):");         
scanf("%d%d%d%d%d%d%d",&array.Struct[0],&array.Struct[1],&array.Struct[2],&array.Struct[3],&array.Struct[4],&array.Struct[5],&array.Struct[6]);                                   
}

void print_element()
{   
printf("Atomic number  Name  Symbol  weight  electrons in each shell\n");   
printf("%d %s %s %.4f",array.Num,array.Name,array.Symbol,array.Weight);         
printf("%d%d%d%d%d%d%d",array.Struct[0],array.Struct[1],array.Struct[2],array.Struct[3],array.Struct[4],array.Struct[5],array.Struct[6]);         
printf("\n");      

}

void main(){   
struct element_t arr[100];      
scan_element(arr);   
print_element(arr);
}

printf("%d %s %s %.4f",array.Num,array.Name,array.Symbol,array.Weight);
与定义不符合
可以改成这样：
struct element_t
{   
int Num;   
char Name[10];   
char Symbol[10];   
float Weight;
int Struct[7];   
}element_t;
还有函数是void的 传个参数干嘛呢

原来如此，粗心了，不过还是谢谢