New Isotopes Osmium-160, Tungsten-156 Unearthed by Scientists
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Researchers synthesize two new isotopes, osmium-160 and tungsten-156
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Physicists Just Found The Lightest Known Form of Uranium, And It Has Unique Behaviors
MARA JOHNSON-GROH, LIVE SCIENCE
4 MAY 2021
Scientists have discovered a new type of uranium that is the lightest ever known. The discovery could reveal more about a weird alpha particle that gets ejected from certain radioactive elements as they decay.
The newfound uranium, called uranium-214, is an isotope, or a variant of the element, with 30 more neutrons than protons, one fewer neutron than the next-lightest known uranium isotope. Because neutrons have mass, uranium-214 is much lighter than more common uranium isotopes, including uranium-235, which is used in nuclear reactors and has 51 extra neutrons.