Nitro, Nitroso, Nitrate, and Nitrite Compounds, Organic. Reactive groups are categories of chemicals that typically react in similar ways because they are similar in their chemical structure. Each substance with a chemical datasheet has been assigned to one or more reactive groups, and CAMEO Chemicals uses the reactive group assignments to make its reactivity predictions.
The largest  number that has a commonly-known specific name is a googolplex,  which is a 1 followed by a googol zeros, where googol is 10100 (a 1  followed by 100 zeros).
What's the biggest number? Numbers go on forever â but on the way to infinity, there are some pretty remote way posts. To our ancestors, a million was as big as numbers needed to get. There was no need to invoke the billions (1,000,000,000) of finance or the terabytes (1012) of computing. Technology has made us blasÃ© about using 9 or 12 digit numbers in conversation.