What is the symbol for uranium?

What is the symbol for uranium?

Uranium is a silver-gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. Uranium has the highest atomic weight of the naturally occurring elements.

What is the proton and neutron of uranium?

The nucleus of the U-235 atom comprises 92 protons and 143 neutrons (92 + 143 = 235).

What are the elements in uranium?

Naturally occurring uranium consists of 99% uranium-238 and 1% uranium-235. Uranium-235 is the only naturally occurring fissionable fuel (a fuel that can sustain a chain reaction). Uranium fuel used in nuclear reactors is enriched with uranium-235.

How many protons neutrons and electrons does uranium-235 have?

Uranium-235 is a naturally occurring isotope of uranium, an element characterized by having 92 protons in its nucleus. As all uranium nuclei have 92 protons, the nucleus of a uranium-235 atom will also have 143 neutrons to give it a total atomic mass number of 235.

Can uranium be made?

Historically, conventional mines (e.g. open pit or underground) were the main source of uranium. The uranium solution is then pumped to the surface. The uranium solution from the mines is then separated, filtered and dried to produce uranium oxide concentrate, often referred to as ‘yellowcake’.

Why is uranium an unique element?

A few years earlier, in 1938, it was discovered that uranium is not only radioactive, it is also fissionable, which makes it unique among all naturally occurring radioactive materials. When uranium atoms undergo the fission process, large amounts of energy are released.

What is the chemical symbol for the element named uranium?

Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons.

Why is uranium classified as a radioactive element?

Uranium is naturally radioactive: Its nucleus is unstable, so the element is in a constant state of decay, seeking a more stable arrangement. In fact, uranium was the element that made the discovery of radioactivity possible.

How does uranium combine with other elements?

Uranium is a relatively reactive element. It combines with nonmetals such as oxygen, sulfur, chlorine, fluorine, phosphorus, and bromine. It also dissolves in acids and reacts with water. It forms many compounds that tend to have yellowish or greenish colors.