Unbalanced Reaction
-     Checker detects reaction scheme with differing total atom numbers or atom types on the two sides of the reaction arrow. 
-     Fixer: no fixer is available for this checker. 
Example :
| Unbalanced Reaction Checker (unbalancedreaction) | Warning: | Fix | 
| Detect unbalanced reaction scheme |      |      | 
| Approved reaction scheme |      |      | 
 
             
            