Flerovium

Category: Post-transition metal

Atomic Number: 114

Period: 7 | Group: 14

Block: p-block

114
Fl
289.000

Description

Predicted to sit in an "island of stability" where superheavy nuclei live far longer.

Physical Properties

Property Value
Phase at STP Solid
Density N/A
Melting Point N/A
Boiling Point 420.00 K (146.85 °C)
Heat Capacity N/A

Atomic Properties

Property Value
Atomic Mass 289.0000 u
Electronegativity (Pauling) N/A
Oxidation States 0, +2, +4
Electron Configuration

Discovery & History

Discovered By Unknown
Discovery Year 1999
Named After The Flerov Laboratory

Joint Institute for Nuclear Research (JINR), Russia (1999-2009)

Russian Scientific Leadership: Flerovium discovery represents a triumph of Russian nuclear physics, achieved by an international team led by Yuri Oganessian at the Joint Institute for Nuclear Research in Dubna. This accomplishment continued Russia's proud tradition of superheavy element discoveries.

Decade-Long Research Program: The flerovium discovery spanned a decade of systematic experiments from 1999 to 2009, requiring persistent refinement of synthesis techniques and detection methods. The team's dedication through numerous failed attempts exemplifies scientific perseverance.

International Collaboration: While led by JINR, the discovery was made with Lawrence Livermore National Laboratory in the United States (GSI in Germany later confirmed the result in 2009). This collaboration demonstrated how fundamental science transcends national boundaries in pursuit of human knowledge.

Technical Breakthroughs: Creating flerovium required developing new target preparation techniques, ion beam optimization, and sophisticated particle detection systems. These innovations advanced the entire field of superheavy element research.

IUPAC Recognition: The International Union of Pure and Applied Chemistry officially recognized JINR's discovery in 2011, granting the team naming rights. "Flerovium" honors Georgy Flerov, founder of superheavy element research at JINR.

Scientific Legacy: Flerovium's discovery validated theoretical predictions about superheavy element synthesis pathways and opened new research directions toward the island of stability. The achievement inspired continued exploration of the periodic table's limits.

Global Impact: The discovery strengthened international cooperation in nuclear physics and demonstrated how advanced scientific facilities can achieve seemingly impossible goals through sustained effort and technological innovation.

Isotopes

ISOTOPE Neutrons Natural Abundance Half-life Decay Mode
Fl-286 172 - 166 ms α (60%), SF (40%)
Fl-287 173 - 0.40 sec α, SF
Fl-288 174 - 0.64 sec α, SF
Fl-289 175 - 2.4 sec α, SF
Fl-290 176 - ~19 sec ε/β⁺, SF, α

Data: IAEA Nuclear Data Section, LiveChart of Nuclides, ground-state evaluations, retrieved October 10, 2026. Abundance is the share of atoms in the natural element; a dash means the isotope has no standard natural abundance.

Applications & Uses

Nuclear Research Applications

Island of Stability Exploration: Flerovium represents a critical milestone in superheavy element research, positioned near the predicted "island of stability" where elements might exist for significantly longer periods. Its study provides crucial data about nuclear shell effects and the limits of atomic nuclei stability.

Relativistic Chemistry Studies: As element 114, flerovium offers unique opportunities to study how relativistic effects influence chemical bonding in superheavy elements. Early predictions suggested flerovium might behave like a noble gas, but 2022 experiments showed it to be a highly volatile metal, the least reactive member of group 14, making it a fascinating subject for computational chemistry validation.

Advanced Nuclear Physics: Flerovium synthesis requires fusion of calcium-48 with plutonium-244, pushing the boundaries of nuclear reaction understanding. These experiments advance knowledge of heavy-ion collision dynamics and nuclear fusion mechanisms at very high energies.

Detection Technology Development: Creating flerovium drives innovation in particle detection systems, timing electronics, and data acquisition methods. These technological advances benefit broader scientific fields including medical physics, materials science, and space exploration.

International Collaboration Framework: Flerovium research exemplifies global scientific cooperation, with teams from Russia, Germany, and the United States sharing resources and expertise to achieve common goals in fundamental science.

Theoretical Model Testing: Flerovium provides experimental data to test quantum mechanical models of atomic structure, particularly theories about electron orbital behavior under very high nuclear charges and relativistic conditions.

Future Technology Foundation: Understanding flerovium's properties contributes to the long-term scientific goal of discovering stable superheavy elements that might transform technology in ways currently unimaginable.

Abundance

Earth's Crust N/A
Universe N/A