Flerovium (Fl) – element 114
Flerovium is a chemical element with the symbol Fl and atomic number 114. It is a post-transition metal in group 14, period 7 of the periodic table (p-block), and is a solid at room temperature.
Flerovium (Fl) has atomic number 114, atomic mass [289] and electron configuration *[Rn] 5f14 6d10 7s2 7p2.
Flerovium facts
| Symbol | Fl |
|---|---|
| Atomic number | 114 |
| Atomic mass | [289] |
| Category | post-transition metal |
| Group | group 14 |
| Period | 7 |
| Block | p-block |
| Phase at 20 °C | Solid |
| Electron configuration | 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p2 |
| Noble-gas notation | *[Rn] 5f14 6d10 7s2 7p2 |
| Electrons per shell | 2, 8, 18, 32, 32, 18, 4 |
| Valence electrons | 4 |
Bohr model and shells
Flerovium has 114 electrons in 7 shells: 2, 8, 18, 32, 32, 18, 4. Full configuration and noble-gas notation are in the table; work out any element or ion with the electron configuration calculator.
Physical and atomic properties
| Melting point | 340 K (66.9 °C) |
|---|---|
| Boiling point | 420 K (146.9 °C) |
| Density | 14 g/cm³ |
| Discovered by | Joint Institute for Nuclear Research |
Use the atomic mass in the molar mass calculator for any formula containing Fl.
Position in the periodic table
Tap any element to open its page.
Frequently asked questions
What is the atomic mass of flerovium?
The atomic mass of flerovium is [289] (mass number of its longest-lived isotope, since it has no stable isotope).
What is the electron configuration of flerovium?
Flerovium has 114 electrons: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p², or *[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p² in noble-gas notation. Electrons per shell: 2, 8, 18, 32, 32, 18, 4.
How many valence electrons does flerovium have?
Flerovium has 4 valence electrons (group 14).
Is flerovium a metal?
Yes. Flerovium is a post-transition metal.
Where is flerovium on the periodic table?
Flerovium is in group 14, period 7, in the p-block.
Data: Periodic-Table-JSON (CC BY-SA 3.0); standard atomic weights from IUPAC (abridged). Values in brackets are the mass number of the longest-lived isotope.