Element 114 · Unknown properties
Flerovium (Fl) — Element 114
Georgy Flyorov
Flerovium (Fl) is a chemical element with unknown bulk chemical properties in Period 7, Group 14 of the periodic table with atomic number 114, standard atomic weight [289] u, and ground-state electron configuration [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p². At standard temperature and pressure it is classified as a short-lived synthetic nuclide with 4 valence electrons.
Research only
What are the atomic properties and physical constants of Flerovium?
Reference constants compiled from IUPAC standard atomic weights, the NIST Atomic Spectra Database, and the CRC Handbook.
- Atomic number (Z)
- 114
- Standard atomic mass
- [289] u
- Chemical family
- Unknown properties
- Ground-state configuration
- [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
- Electrons per shell
- 2, 8, 18, 32, 32, 18, 4
- Valence electrons
- 4
- Common ion charges / oxidation states
- —
- Phase at STP
- Synthetic
- Pauling electronegativity
- —
- First ionization energy
- —
- Atomic radius
- —
- Melting point
- —
- Boiling point
- —
- Discovery year
- 1999
- Table coordinate
- Period 7, Group 14
- Radioactivity
- Radioactive (no stable isotopes)
How are electrons arranged across Flerovium’s shells?
A neutral Flerovium atom contains 114 electrons distributed across 7 occupied principal energy shells ([Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²). The table below compares Flerovium’s shell occupancy against each shell’s theoretical 2n² capacity.
| Principal Shell (n) | Spectroscopic Letter | Electrons in Fl | Max Shell Capacity (2n²) |
|---|---|---|---|
| n = 1 | K | 2 e⁻ | 2 e⁻ |
| n = 2 | L | 8 e⁻ | 8 e⁻ |
| n = 3 | M | 18 e⁻ | 18 e⁻ |
| n = 4 | N | 32 e⁻ | 32 e⁻ |
| n = 5 | O | 32 e⁻ | 50 e⁻ |
| n = 6 | P | 18 e⁻ | 72 e⁻ |
| n = 7 | Q | 4 e⁻ | 98 e⁻ |
Frequently Asked Questions about Flerovium (Fl)
What is the atomic mass and atomic number of Flerovium (Fl)?
Flerovium (Fl) has atomic number Z = 114 (114 protons in its nucleus) and an IUPAC standard atomic weight of [289] u. It sits in Period 7, Group 14 and is classified as an unknown properties.
What is the ground-state electron configuration of Flerovium?
The neutral ground-state electron configuration of Flerovium (Z = 114) is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p². Across its 7 occupied principal shells (n = 1 to n = 7), the electrons per shell are 2, 8, 18, 32, 32, 18, 4, with 4 valence electrons participating in bonding.
What are the common ion charges and electronegativity of Flerovium?
Flerovium has no common simple monatomic ion charges under standard classroom conditions. Its Pauling electronegativity is — and its first ionization energy is —.
When was Flerovium discovered and what is it used for?
Flerovium was discovered in 1999 (Georgy Flyorov). Research only
How does Flerovium compare to neighboring elements?
Other unknown properties elements: