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).
Courtney has over 16,000 items.Photo: Barcroft Media. Her reign as the worldâs biggest Pokemon fan as gone on since 2009, when Guinness awarded her the world record for largest collection of memorabilia at 12,113 items. Five years later, Courtneyâs fascination with the Japanese phenomenon has only gotten stronger.