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Francium-223 is the most stable isotope, with a half-life of 21.8 minutes, [8] and it is highly unlikely that an isotope of francium with a longer half-life will ever be discovered or synthesized. [22] Francium-223 is a fifth product of the uranium-235 decay series as a daughter isotope of actinium-227; thorium-227 is the more common daughter. [23]
The football program was the intercollegiate American football team for Florida Institute of Technology located in the U.S. state of Florida. The team competed in the NCAA Division II and were members of the Gulf South Conference. Florida Tech's first football team was fielded in 2013. They played at the Florida Tech Panther Stadium. The ...
Why is francium so unstable? The article doesn't explain. Google found me a Prezi presentation ( [1] ), but first off that's not a reliable source for expanding the francium article, and secondly it doesn't explain why many isotopes of related elements, e.g. 238 U with 54 more neutrons than protons, are so much longer lived.
The CsFr molecule is predicted to have francium at the negative end of the dipole, unlike all known heterodiatomic alkali metal molecules. Francium superoxide (FrO 2) is expected to have a more covalent character than its lighter congeners; this is attributed to the 6p electrons in francium being more involved in the francium–oxygen bonding. [4]
Florida State, men: Vacated 22 games (20 regular-season and 2 NIT wins) from the 2006–07 season. Florida State, women: Vacated 20 regular-season and 2 NCAA tournament wins from the 2006–07 and 2007–08 seasons. USC: 21 regular-season wins and 1 tournament loss vacated from the 2008 season. See University of Southern California athletics ...
Consistency is the biggest thing that Florida State men's basketball is aiming for heading into a new season.. Coming off a 9-23 finish last season - the worst in program history - the Seminoles ...
A group of former Florida State Seminoles basketball players filed a groundbreaking lawsuit against their former coach, Leonard Hamilton, over unpaid promises of NIL compensation that reaches a ...
The remaining elements of the group (scandium, yttrium, lutetium) are quite electropositive. They are reactive metals, although this is not obvious due to the formation of a stable oxide layer which prevents further reactions. The metals burn easily to give the oxides, [53] which are white high-melting solids. They are usually oxidized to the ...