Symbol Fl
Atomic Number 114
Atomic Mass 289 g.mol -1
Discovered by Scientists from the Joint Institute for Nuclear Research in Dubna, Russia and the Lawrence Livermore National Laboratory, California, USA in 1999.

Chemical Properties of Flerovium

Group 14 Melting point Unknown 
Period 7 Boiling point Unknown 
Block p Density (g cm−3) Unknown 
Atomic number 114 Relative atomic mass [289]
State at 20°C Solid Key isotopes 289Fl
Electron configuration [Rn] 5f146d107s27p2 CAS number 54085-16-4 
ChemSpider ID ChemSpider is a free chemical structure database.

What is Flerovium?

  • Flerovium with atomic number 114 and symbol Fl.
  • It is a radioactive, superheavy synthetic element placed in the group 14 and period 7 of the periodic table.
  • The metal is said to be the part of theory naming “island of stability.” The theory depicts that the protons and the neutrons combine to form a stable structure.
  • The metal was first discovered by Joint Institute for Nuclear Research (JINR), Russia in the year 1998.

Uses of Flerovium

  • This radioactive metal finds its applications only in the field of research. There are only a few number of atoms of flerovium. Hence it is not used in any of the commercial applications. But this metal is known to be harmful due to its high radioactive nature.

Properties of Flerovium

  • Flerovium is produced by bombarding the ions of plutonium -94 are the ions of calcium -20 which is contained in a beam.
  • The metal has about five synthetic isotopes with known half-life and the mass numbers ranging between 285 and 289. All these are said to be unstable in nature, but 289Fl is considered as the most stable isotope of flerovium with a half-life of around 2.6 seconds.
  • Flerovium metal can also be formed in the nuclear reactors.
  • This element belongs to the p-block elements of the periodic table is considered to be as the heaviest metals in the list of carbon group members. It is also known to be one of the noble metals.

Practise This Question

Imagine a gravity free laboratory, in outer space, where you are asked to study the motions of a large number of marbles kept in a transparent cubical jar, as you give the jar quick, small jerks in random directions. You will observe, that after giving a sufficient number of jerks, the marbles start moving rather chaotically, i.e., each marble bounces off other marbles every now and then, and takes a random trajectory between two points due to these collisions. You seem to have given some kinetic energy to each marble, when the jar was being shaken. What happens when you release the jar suddenly, leaving it suspended in space? Assume all collisions between the marbles to be perfectly elastic.

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