👉 Uranine, also known as uracil (U), is a chemical element that has the symbol U and atomic number 94. It is one of six elements in the periodic table of the elements, which are hydrogen, helium, neon, argon, krypton, and xenon. Uranine is a non-metalic oxide with a high melting point and a low boiling point. Uranine's chemical properties include its ability to form bonds with other atoms or molecules, as