Web Results

Isotopes of uranium


Uranium (U) is a naturally occurring radioactive element that has no stable isotopes but two primordial isotopes that have long half-life and are found in ...

Radioactivity : Uranium Isotopes


Three isotopes, uranium 236, 233 and 232, are also produced by reactors from ... Uranium 233 is a fissile nucleus that does not exist naturally, such as ...

FAQ 1-What is uranium?


Uranium in its pure form is a silver-colored heavy metal that is nearly twice as dense as lead. In nature, uranium atoms exist as several isotopes: primarily ...

What is Uranium? How Does it Work - World Nuclear Association


Natural uranium as found in the Earth's crust is a mixture largely of two isotopes: uranium-238 (U-238), accounting for 99.3% and uranium-235 (U-235) about ...

uranium-235 | chemical isotope | Britannica.com


The existence of uranium-235 in nature rests on the fact that alpha decay to the ground and low excited states exhibits hindrance factors of over 1,000. Thus the ...

Facts About Uranium - Live Science


Jul 9, 2015 ... This radioactive metal is unique in that one of its isotopes, uranium-235, is the only naturally occurring isotope capable of sustaining a nuclear ...

How can uranium exist in a number of different isotopes? - Quora


Almost every element exists as a mixture of isotopes. Elements are determined by the number of protons in the nucleus; so long as that is the case, you can have  ...

Uranium - Periodic Table of Elements: Los Alamos National ...


There are 27 known isotopes of uranium ranging in atomic weights 217–219, ... The heavier “transuranic” elements are either man-made or they exist only as ...

Uranium, Chemical Element - reaction, water, uses, elements, metal ...


About a dozen other isotopes of uranium have been made artificially. ... Today, over 400 nuclear power plants exist worldwide, producing about 17 percent of all  ...

Is Uranium the Heaviest Natural Element? – Starts With A Bang


Apr 3, 2009 ... Its most stable isotope, Uranium 238 (92 protons + 146 neutrons), has ... of the elements in the Island of Stability theorized to exist far out on the ...

More Info

It's Elemental - The Element Uranium


Naturally occurring uranium consists of three isotopes: uranium-234, uranium- 235 and uranium-238. ... Methods also exist for concentrating uranium-235.

Cosmic Origins of Uranium - World Nuclear Association


Geologists and geochemists have been studying the abundance, distribution and chronometric potential of the isotopes of uranium for more than a century.

Uranium»isotope data [WebElements Periodic Table]


This WebElements periodic table page contains isotope data for the element uranium.