The letter U stands for Uranium.
In chemistry, "UG" stands for "Uranium Glass."
carbon
Uranium
Sulfur
francium
In Chemistry it stands for Iron
This oxide is called dinitrogen pentoxide.
In Chemistry, this is the abbreviation for Ethanol. C2H5OH.
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
They are used to fix an object to a bar from a stand.