Basic Information
Bohr Model
Static
Interactive
Descriptive Numbers
CAS Number
54085-16-4
Mendeleev Number
92
Mass
Atomic Mass
289 Da
Periodic Position
X Position
14
Y Position
7
Period
7
Group
14
Classification
Block
p
Category
Post Transition Metal
Goldschmidt
Synthetic
Atomic Radius
Covalent (Pyykko)
143
Temperature
Melting/Freeze (USE)
340 °K
Boiling/Density (USE)
420 °K
Density
STP
14 kg/cm³
Heat
Adiabatic Index
N/A
Etymology
Language Of Origin
Russian
Origin Of Word
From the Flerov Laboratory, part of the Joint Institute for Nuclear Research, where the element was discovered. The element itself is named after physicist Georgy Flyorov.
Meaning
Russian surname
Symbol Origin
surname, eponym
Etymological Description
It is named in honor of Georgy Flyorov, a pioneer of Soviet nuclear physics and founder of the Joint Nuclear Research Institute in Dubna, where the element was discovered. Ununquadium was used as a temporary systematic name.
Discovery & Isolation
Observed/Predicted By
Y. Organizer vd. (Dubna'da newspaper ONAE)
Observed/Discovery Year
1999
Discovery Location
Isolated Sample By
Joint Institute for Nuclear Research
Production & Use
Sources
It is obtained by bombarding plutonium-244 with calcium-48.
Radioactivity
Half Life
1.33 minutes
Lifetime
2 minutes
Decay Mode
Alpha Six
Dipole Polarity
Accepted
31
Uncertainty
4
Electron & Quantum
Electron Configuration
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p2
Quantum Number
3P0
Electron Configuration Semantic
*[Rn] 5f14 6d10 7s2 7p2
Shells-0
2
Shells-1
8
Shells-2
18
Shells-3
32
Shells-4
32
Shells-5
18
Shells-6
4
