counting atoms dickson only

Counting Atoms

Write the number of each type of atom in the following chemical formulas.

 

1.    NaCl   
2.    H2SO4             
3.    KNO3 
4.    CaCl2                    
5.    C2H6               
6.    Ba(OH)2                     
7.    NH4Br             
8.    Ca3(PO4)2                            
9.    Al2(SO4)3                               
10. Mg(NO3)2