114Fl[289]
Flerovium
Unknown propertiesSuper-heavy elements made in labs a few atoms at a time. Their chemistry is still being studied.
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
- Atomic number
- 114
- Atomic mass
- [289]
- Protons
- 114
- Neutrons
- 175
- Electrons
- 114
- Shells
- 2, 8, 18, 32, 32, 18, 4
- State at 25 °C
- Unknown
- Position
- Group 14, period 7
Proton (+)Neutron (0)Electron (−)
Discovered byJoint Institute for Nuclear Research, Dubna, 1998–1999Yuri Oganessian: 5 elements
Named after the Flerov Laboratory, which honours physicist Georgy Flyorov.
Did you know?
- It may be surprisingly unreactive for a metal.
- It sits below lead in the table.
Where it's found
- Made only in laboratories, a few atoms at a time
What it's used for
- Scientific research only
Try it
There's no safe home experiment for Flerovium. Explore it with the animated atom above instead.