Naming Carbonyl Compounds

Crossword for naming aliphatic Carbonyl compounds of up to 6 carbon atoms

  
Click on a number in the grid to see the clue or clues for that number.
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter.
You must use " - " and " , " when required to correctly write the carbonyl's correct full systematic name.
        1                        
   2                        3       
  4      5                          
                              
6                                
                   7    8   9          
  10                              
 11                       12          
13                                
                              
14                        15          
                              
            16                    
                              
            17                    
                              
         18                       
                          19      
               20                 
                              
                  21              
22                   23               
                              
24                   25               
                              
                    26            
27               28                   
                              

Across:

4.
6.
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20.
22.
23.
24.
25.
26.
27.
28.

Down:

1.
2.
3.
5.
7.
9.
11.
19.
21.