Reply To: Chemistry mixture of letters and abbreviation UEB/NEM/CHEM Home › Forums › Nemeth Code for Math and Science › Chemistry mixture of letters and abbreviation UEB/NEM/CHEM › Reply To: Chemistry mixture of letters and abbreviation UEB/NEM/CHEM October 12, 2022 at 2:43 pm #39386 Bama BrailleParticipant What is the difference between a chemical abbreviation and a chemical SYMBOL? Is it just context?