ON bombarding uranium with neutrons, Fermi and collaborators 1 found that at least four radioactive substances were produced, to two of which atomic numbers larger than 92 were ascribed.

Protons are positively charged ... but before the neutrons can collide with fresh uranium nuclei, they need to be slowed down.

As each uranium atom breaks apart ... water and of isotopes—atoms of an element that have the same number of protons but a different number of neutrons and, therefore, different weights.

The isotope uranium-238 is typically considered to be the heaviest element found in the natural world. It’s atomic mass is 238 – 92 protons and 146 neutrons. Every other element with a higher ...

Because fluorine is essential for converting uranium into a form suitable for ... forms of a chemical element having the same ...

Fission Uranium Corp. FCUUF announced that Paladin Energy Ltd. PALAF completed the previously announced acquisition of all issued and outstanding shares of Fission Uranium. The merger establishes ...

Elements - the basic building blocks of chemistry, like hydrogen, oxygen, and uranium - are made up of single atoms. Atoms in turn, are made of a nucleus containing protons and neutrons ...