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Fermium
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Fermium is a synthetic chemical element; it has symbol Fm and atomic number 100. It is an actinide and the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the
Fermium was first observed in the fallout from the Ivy Mike nuclear test.
Fermium was first observed in the fallout from the Ivy Mike nuclear test.
The element was named after Enrico Fermi.
The element was named after Enrico Fermi.
The element was discovered by a team headed by Albert Ghiorso.
The element was discovered by a team headed by Albert Ghiorso.
Mendelevium
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Mendelevium is a synthetic chemical element; it has symbol Md and atomic number 101. A metallic radioactive transuranium element in the actinide series, it is the first element by atomic number that c
Fermium
…flux, as in a nuclear explosion (or the astrophysical r-process), since no accessible fermium isotopes undergo beta minus decay to the next element, mendelevium. Because of this impediment in forming heavier isotopes, these short-lived isotopes 258–260Fm constitute the "fermium gap." Deliberate attempts at…
The 60-inch cyclotron at the Lawrence Radiation Laboratory, University of California, Berkeley, in August 1939
The 60-inch cyclotron at the Lawrence Radiation Laboratory, University of California, Berkeley, in August 1939
The data sheet, showing stylus tracing and notes, that proved the discovery of mendelevium.
The data sheet, showing stylus tracing and notes, that proved the discovery of mendelevium.
The element was named after Dmitri Mendeleev.
The element was named after Dmitri Mendeleev.