counting atoms for dickson only

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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

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