Flerovi (Fl)

chemical element with atomic number 114

Atomic Number	114
Atomic Weight	289
Rhif màs	284

Group	14
Period	7
Block	p

Proton	114 p⁺
Niwtron	170 n⁰
Electron	114 e^-

Nodwedd Ffisegol

Atomic Radius
molar volume
covalent radius	143 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density	9.928 g/cm³

Nodwedd Gemegol

egni

proton affinity
electron affinity
ionization energy
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Electron

plisgyn yr electron	2, 8, 18, 32, 32, 18, 4

valence electron	4 ⓘ

trefn yr electronnau	[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d¹⁰ 7s² 7p²

Cyflwr ocsidiad
Electronegatifedd
Electrophilicity Index
cyflwr sylfaenol mater

cyflwr mater	Solid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
lliw	Colorless
appearance
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal Structure	()
lattice constant
Lattice Angles
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
Category	Post-transition metals, Poor metals
CAS Group	IVB
IUPAC Group	IVA
Glawe Number
Mendeleev Number	92
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	31 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	3P0
space group	()

Isotopes of Flerovium

Stable Isotopes	0
Unstable Isotopes	8
Natural Isotopes	0

²⁸⁴Fl

Rhif màs	284
neutron number	170
Relative Atomic Mass	284.181192 ± 0.000704 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	3.1 ± 1.3 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2015
parity	+

decay mode	intensity
SF (spontaneous fission)	100%
α (α emission)

²⁸⁵Fl

Rhif màs	285
neutron number	171
Relative Atomic Mass	285.183503 ± 0.000433 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	210 ± 100 ms
spin
nuclear quadrupole moment
dyddiad darganfod	2010
parity

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	20%

²⁸⁶Fl

Rhif màs	286
neutron number	172
Relative Atomic Mass	286.184226 ± 0.00059 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	130 ± 30 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2004
parity	+

decay mode	intensity
α (α emission)	59%
SF (spontaneous fission)	41%

²⁸⁷Fl

Rhif màs	287
neutron number	173
Relative Atomic Mass	287.18672 ± 0.000663 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	510 ± 120 ms
spin
nuclear quadrupole moment
dyddiad darganfod	2004
parity

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁸⁸Fl

Rhif màs	288
neutron number	174
Relative Atomic Mass	288.187781 ± 0.000819 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	653 ± 113 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2004
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁸⁹Fl

Rhif màs	289
neutron number	175
Relative Atomic Mass	289.190517 ± 0.000548 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.1 ± 0.6 s
spin
nuclear quadrupole moment
dyddiad darganfod	2004
parity

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)

²⁹⁰Fl

Rhif màs	290
neutron number	176
Relative Atomic Mass	290.191875 ± 0.000752 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	80 ± 60 s
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2016
parity	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	50%

²⁹¹Fl

Rhif màs	291
neutron number	177
Relative Atomic Mass	291.194848 ± 0.000751 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay mode	intensity
α (α emission)
SF (spontaneous fission)

hanes

darganfyddwr neu ddyfeisiwr	Joint Institute for Nuclear Research
man darganfod	Russia
dyddiad darganfod	1998
geirdarddiad	Named after the Flerov Laboratory of Nuclear Reactions of the Joint Institute for Nuclear Research in Dubna, Russia.
ynganiad

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)	0 %
natural abundance (Awyrfaen)	0 %
natural abundance (Haul)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Flerovi on ChemicalAid

Australian Educational Vocabulary ID	scot/3594
Den Store Danske ID	flerovium
Encyclopedia of China ID (Second Edition)	249671
French Vikidia ID	Flérovium
Great Russian Encyclopedia Online ID	4715530
National Library of Israel J9U ID	987007593035405171
OmegaWiki Defined Meaning	708216
Rhif Cofrestru CAS	54085-16-4
Store norske leksikon ID	ununquadium
dynodwr Encyclopædia Britannica Online	science/flerovium
dynodwr Freebase	/m/026bqm6
dynodwr Gran Enciclopèdia Catalana	0273310
dynodwr KBpedia	Flerovium
dynodwr LCAuth	sh2012003542
dynodwr NE.se	ununquadium
dynodwr NE.se	flerovium

Flerovi (Fl)

Nodwedd Ffisegol

Nodwedd Gemegol

other

Isotopes of Flerovium

284Fl

285Fl

286Fl

287Fl

288Fl

289Fl

290Fl

291Fl

hanes

source

Nuclear Screening Constants

²⁸⁴Fl

²⁸⁵Fl

²⁸⁶Fl

²⁸⁷Fl

²⁸⁸Fl

²⁸⁹Fl

²⁹⁰Fl

²⁹¹Fl