peer review allison brown you have a great start on this article with all of the categories you have listed continue to add information from credible sources to these categories maybe in the occurrences and reactions sections i don't see any references for this information so make sure to link your information to reliable resources you've got a nice start on the chem box just continue to add to it to make it a great source for information a picture would be helpful and inclusion of other pertinent properties would also be beneficial you have a great outline in place just continue to expand what you have