فىتور

فىتور (F)

chemical element with symbol F and atomic number 9
Atomic Number9
Atomic Weight18.998403163
mass number19
Group17
Period2
Blockp
پروتون9 p+
neutron10 n0
ئېلېكترون9 e-
Animated بورمودىلى of F (فىتور)

Physical Property

Atomic Radius
50 pm
molar volume
covalent radius
64 pm
Metallic Radius
ionic radius
128.5 pm
Crystal Radius
114.5 pm
Van der Waals radius
147 pm
density
0.001553 g/cm³
Atomic Radii Of The Elements: فىتور0102030405060708090100110120130140150pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

ئېنېرگىيە
proton affinity
340.1 kJ/mol
electron affinity
3.4011897 eV/particle
ionization energy
17.42282 eV/particle
ionization energy of F (فىتور)
enthalpy of vaporization
6.54 kJ/mol
enthalpy of fusion
0.51 kJ/mol
standard enthalpy of formation
79.335 kJ/mol
ئېلېكترون
ئېلېكترون قەۋەت2, 7
بورمودىلى: F (فىتور)
valence electron7
Lewis structure: F (فىتور)
electron configuration[He] 2s2 2p5
1s2 2s2 2p5
Enhanced بورمودىلى of F (فىتور)
Orbital Diagram of F (فىتور)
oxidation number-1, 0
electronegativity
3.98
Electrophilicity Index
3.865807423136221 eV/particle
fundamental state of matter
phase of matterGas
gaseous state of matterDiatomic
Boiling Point
85.04 K
Melting Point
53.48 K
critical pressure
5.1724 MPa
critical temperature
144.41 K
triple point
53.48 K
90 kPa
appearance
color
Colorless
appearance
refractive index
1.000195
thermodynamic material property
Thermal Conductivity
0.028 W/(m K)
thermal expansion
molar heat capacity
31.304 J/(mol K)
Specific Heat Capacity
0.824 J/(g⋅K)
heat capacity ratio7/5
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureBase Centered Monoclinic (MCL)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryHalogens, Halogens
CAS GroupVIIB
IUPAC GroupVIIA
Glawe Number102
Mendeleev Number106
Pettifor Number102
Geochemical Classsemi-volatile
Goldschmidt classificationlitophile

other

Gas Basicity
315.1 kJ/mol
polarizability
3.74 ± 0.08 a₀
C6 Dispersion Coefficient
9.52 a₀
allotropeDifluorine
Neutron cross section
0.0096
Neutron Mass Absorption
0.00002
quantum number2P3/2
space group15 (C12/c1)

Isotopes of Fluorine

Stable Isotopes1
Unstable Isotopes18
Natural Isotopes1

13F

mass number13
neutron number4
relative atomic mass
13.045121 ± 0.000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
time of discovery or invention
parity+

decay modeintensity
p (proton emission)

14F

mass number14
neutron number5
relative atomic mass
14.034315196 ± 0.000044142 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
500 ± 60 ys
spin2
nuclear quadrupole moment
time of discovery or invention2010
parity-

decay modeintensity
p (proton emission)

15F

mass number15
neutron number6
relative atomic mass
15.017785139 ± 0.000015029 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.1 ± 0.3 zs
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1978
parity+

decay modeintensity
p (proton emission)100%

16F

mass number16
neutron number7
relative atomic mass
16.011460278 ± 0.000005758 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
21 ± 5 zs
spin0
nuclear quadrupole moment
0
time of discovery or invention1964
parity-

decay modeintensity
p (proton emission)100%

17F

mass number17
neutron number8
relative atomic mass
17.002095237 ± 0.000000266 Da
g-factor
1.88852 ± 0.00012
natural abundance
radioactivity☢️ radioactive element
half-life
64.37 ± 0.027 s
spin5/2
nuclear quadrupole moment
0.076 ± 0.004
time of discovery or invention1934
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

18F

mass number18
neutron number9
relative atomic mass
18.000937324 ± 0.000000497 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
109.734 ± 0.008 m
spin1
nuclear quadrupole moment
time of discovery or invention1937
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

19F

mass number19
neutron number10
relative atomic mass
18.99840316207 ± 0.00000000088 Da
g-factor
5.256642 ± 0.000008
natural abundance
100
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1920
parity+

20F

mass number20
neutron number11
relative atomic mass
19.999981252 ± 0.000000031 Da
g-factor
1.046675 ± 0.000045
natural abundance
radioactivity☢️ radioactive element
half-life
11.0062 ± 0.008 s
spin2
nuclear quadrupole moment
0.056 ± 0.004
time of discovery or invention1935
parity+

decay modeintensity
β (β decay)100%

21F

mass number21
neutron number12
relative atomic mass
20.999948893 ± 0.000001932 Da
g-factor
1.56776 ± 0.00048
natural abundance
radioactivity☢️ radioactive element
half-life
4.158 ± 0.02 s
spin5/2
nuclear quadrupole moment
0.011 ± 0.002
time of discovery or invention1955
parity+

decay modeintensity
β (β decay)100%

22F

mass number22
neutron number13
relative atomic mass
22.002998812 ± 0.00001331 Da
g-factor
0.6736 ± 0.0001
natural abundance
radioactivity☢️ radioactive element
half-life
4.23 ± 0.04 s
spin4
nuclear quadrupole moment
0.003 ± 0.002
time of discovery or invention1965
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)11%

23F

mass number23
neutron number14
relative atomic mass
23.003526875 ± 0.00003577 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2.23 ± 0.14 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)14%

24F

mass number24
neutron number15
relative atomic mass
24.00809937 ± 0.000104853 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
384 ± 16 ms
spin3
nuclear quadrupole moment
time of discovery or invention1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)5.9%

25F

mass number25
neutron number16
relative atomic mass
25.012167727 ± 0.000103535 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
80 ± 9 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)23.1%
2n (2-neutron emission)

26F

mass number26
neutron number17
relative atomic mass
26.020048065 ± 0.000114898 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8.2 ± 0.9 ms
spin1
nuclear quadrupole moment
time of discovery or invention1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)13.5%
2n (2-neutron emission)

27F

mass number27
neutron number18
relative atomic mass
27.026981897 ± 0.000129037 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5 ± 0.2 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1981
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)77%
2n (2-neutron emission)

28F

mass number28
neutron number19
relative atomic mass
28.035860448 ± 0.000129198 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
46 zs
spin4
nuclear quadrupole moment
time of discovery or invention2012
parity-

decay modeintensity
n (neutron emission)100%

29F

mass number29
neutron number20
relative atomic mass
29.043103 ± 0.000564 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2.5 ± 0.3 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1989
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)60%
2n (2-neutron emission)

30F

mass number30
neutron number21
relative atomic mass
30.052561 ± 0.000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay modeintensity
n (neutron emission)

31F

mass number31
neutron number22
relative atomic mass
31.061023 ± 0.000574 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
time of discovery or invention1999
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Liquid fluorine tighter crop

تارىخ

discoverer or inventorHenri Moissan
location of discoveryFrance
time of discovery or invention1886
etymologyLatin: fluere (flow).
pronunciationFLU-eh-reen (ئىنگلىزچە)

source

Abundance
Abundance in Earth's crust
585 mg/kg
natural abundance (ئوكيانىيە)
1.3 mg/L
natural abundance (human body)
0.0037 %
natural abundance (meteoroid)
0.0087 %
natural abundance (قۇياش)
0.00005 %
Abundance in Universe
0.00004 %

Nuclear Screening Constants

1s0.3499
2p3.9
2s3.8724