The letter U stands for Uranium.
In chemistry, "UG" stands for "Uranium Glass."
carbon
Uranium
francium
Sulfur
In Chemistry it stands for Iron
In Chemistry, this is the abbreviation for Ethanol. C2H5OH.
This oxide is called dinitrogen pentoxide.
In chemistry, the letter "M" typically stands for molarity, which is a measure of the concentration of a solution.
In chemistry, "K" can also stand for the equilibrium constant, which is a measure of the ratio of the concentrations of the products to the concentrations of the reactants at equilibrium in a chemical reaction.
In chemistry Po stands for Polonium
For example: chlorpyrifos, a very known insecticide.