The element represented by the letter 'U' is uranium (atomic number 92).
Because U is the first letter of the name uranium.
Uranium
Uranium
Potassium, with an Atomic Number of 19, is designated by the symbol 'K'.
There is no element with symbol a or A even
Symbol describes an element. It notates name of element.
The symbol of the element is used as an abbreviation for its name.
U is the atomic symbol for the element uranium.
U is the chemical symbol of uranium.
Uranium, Neptunium and Plutonium follow each other - elements 92,93,94. They are named after the outer planets though Pluto is no longer classed as a planet. U was chosen as there was no conflict with other elements names beginning with U.
The heaviest element with a one letter atomic symbol is uranium (symbol: U).
Bi is the symbol for the chemical element 'Bismuth'.