counting atoms for dickson only

Counting Atoms

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

 

1.     NaCl   
2.     H 2SO4             
3.     KNO 3 
4.     CaCl 2                    
5.     C 2H6               
6.     Ba(OH) 2                     
7.     NH 4Br             
8.     Ca 3(PO4)2                            
9.     Al 2(SO4)3                               
10.  Mg(NO 3)2

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