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).
most people don t even remember phone numbers anymore and instead program them into their phones there is a limit to the number of numbers or digits that most people can remember the longest string of numbers that anyone has ever memorized is for the number pi 3 14159265 akira haraguchi from japan set a new world record by memorizing the first 100000 digits on oct 3rd 2006 that s a lot of digits