Casimir Pulaski was a talented military leader and brilliant battlefield tactician who, in the 1770s, had to leave his native Poland after participating in the unsuccessful wars to oust StanisÅaw II, a king put in place to rule at the behest of the Russians.
What is ammonia? Ammonia, also known as azane, is a chemical compound made of molecules which each contain one atom of nitrogen and three atoms of hydrogen. The molecular structure of ammonia is NH3. At ordinary room temperature and pressure, ammonia is a colourless gas which is lighter than air.
ammonia Edit: NH3 is ammonia not NH2 also NH4 is ammonium. Anything with a base of Nitrogen that isn't ammonia or ammonium, is considered an amine group. These are nitrogen bo â¦ nded to 2 hydrgens and something else (typically oxygen, carbon, or another nitrogen), but it can bond to other elements.