Silisyum

Silisyum (Si)

chemical element with symbol Si and atomic number 14
Atomic Number14
Atomic Weight28.085
Hejmara baristeyî28
Group14
Period3
Blockp
Proton14 p+
Notron14 n0
Kareva14 e-
Animated Bohr model of Si (Silisyum)

Physical Property

Atomic Radius
110 pm
molar volume
Covalent Radius
116 pm
Metallic Radius
117 pm
ionic radius
26 pm
Crystal Radius
40 pm
Van der Waals radius
210 pm
density
2,3296 g/cm³
Atomic Radii Of The Elements: Silisyum0102030405060708090100110120130140150160170180190200210pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
837 kJ/mol
electron affinity
1,3895211 eV/particle
ionization energy
8,151683 eV/particle
ionization energy of Si (Silisyum)
enthalpy of vaporization
383 kJ/mol
enthalpy of fusion
50,6 kJ/mol
standard enthalpy of formation
450 kJ/mol
Kareva
electron shell2, 8, 4
Bohr model: Si (Silisyum)
valence electron4
Lewis structure: Si (Silisyum)
electron configuration[Ne] 3s2 3p2
1s2 2s2 2p6 3s2 3p2
Enhanced Bohr model of Si (Silisyum)
Orbital Diagram of Si (Silisyum)
oxidation number-4, -3, -2, -1, 0, 1, 2, 3, 4
electronegativity
1.9
Electrophilicity Index
1,6827934805482991 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3.538,15 K
Melting Point
1.687,15 K
critical pressure
critical temperature
triple point
appearance
color
Gray
appearancecrystalline, reflective with bluish-tinged faces
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000026 1/K
molar heat capacity
19,99 J/(mol K)
Specific Heat Capacity
0,712 J/(g⋅K)
heat capacity ratio
electrical properties
typeSemiconductor
electrical conductivity
0,001 MS/m
electrical resistivity
0,001 m Ω
superconductivity
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000016 m³/Kg
magnetic susceptibility (Molar)
-0,0000000000449 m³/mol
magnetic susceptibility (Volume)
-0,00000373
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureTetrahedral Packing (DIA)
lattice constant
5,43 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6,5 MPa
bulk modulus
100 GPa
shear modulus
Young's modulus
47 GPa
Poisson's ratio
Leza dengê
2.200 m/s
classification
CategoryMetalloids, Metalloids
CAS GroupIVB
IUPAC GroupIVA
Glawe Number85
Mendeleev Number88
Pettifor Number85
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
814,1 kJ/mol
polarizability
37,3 ± 0,7 a₀
C6 Dispersion Coefficient
305 a₀
allotrope
Neutron cross section
0,166
Neutron Mass Absorption
0,0002
quantum number3P0
space group227 (Fd_3m)

Isotopes of Silicon

Stable Isotopes3
Unstable Isotopes21
Natural Isotopes3
Isotopic Composition2892.25%2892.25%294.67%294.67%303.07%303.07%

22Si

Hejmara baristeyî22
neutron number8
Giraniya atomê
22,036114 ± 0,000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
28,7 ± 1,1 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1987
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)62%
2p (2-proton emission)0.7%

23Si

Hejmara baristeyî23
neutron number9
Giraniya atomê
23,025711 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
42,3 ± 0,4 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1986
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)88%
2p (2-proton emission)3.6%

24Si

Hejmara baristeyî24
neutron number10
Giraniya atomê
24,01153543 ± 0,000020904 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
143,2 ± 2,1 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1979
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)34.5%

25Si

Hejmara baristeyî25
neutron number11
Giraniya atomê
25,004108798 ± 0,000010735 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
220,6 ± 1 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1963
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)35%

26Si

Hejmara baristeyî26
neutron number12
Giraniya atomê
25,992333818 ± 0,000000115 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,2453 ± 0,0007 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1960
parity+

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

27Si

Hejmara baristeyî27
neutron number13
Giraniya atomê
26,986704687 ± 0,000000115 Da
g-factor
0,34608 ± 0,00012
natural abundance
radioactivity☢️ radioactive element
half-life
4,117 ± 0,014 s
spin5/2
nuclear quadrupole moment
0,063 ± 0,014
dema îcadkirinê yan keşfê1939
parity+

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

28Si

Hejmara baristeyî28
neutron number14
Giraniya atomê
27,97692653442 ± 0,00000000055 Da
g-factor
0
natural abundance
92,2545 ± 0,0037
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

29Si

Hejmara baristeyî29
neutron number15
Giraniya atomê
28,97649466434 ± 0,0000000006 Da
g-factor
-1,110104 ± 0,000006
natural abundance
4,672 ± 0,016
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1920
parity+

30Si

Hejmara baristeyî30
neutron number16
Giraniya atomê
29,973770137 ± 0,000000023 Da
g-factor
0
natural abundance
3,0735 ± 0,0021
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1924
parity+

31Si

Hejmara baristeyî31
neutron number17
Giraniya atomê
30,975363196 ± 0,000000046 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
157,16 ± 0,2 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1934
parity+

decay modeintensity
β (β decay)100%

32Si

Hejmara baristeyî32
neutron number18
Giraniya atomê
31,974151538 ± 0,00000032 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
157 ± 7 y
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1953
parity+

decay modeintensity
β (β decay)100%

33Si

Hejmara baristeyî33
neutron number19
Giraniya atomê
32,977976964 ± 0,00000075 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6,18 ± 0,18 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1971
parity+

decay modeintensity
β (β decay)100%

34Si

Hejmara baristeyî34
neutron number20
Giraniya atomê
33,978538045 ± 0,00000086 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,77 ± 0,2 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1971
parity+

decay modeintensity
β (β decay)100%

35Si

Hejmara baristeyî35
neutron number21
Giraniya atomê
34,984550111 ± 0,000038494 Da
g-factor
0,46828571428571 ± 0,0011428571428571
natural abundance
radioactivity☢️ radioactive element
half-life
780 ± 120 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1971
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)5%

36Si

Hejmara baristeyî36
neutron number22
Giraniya atomê
35,986649271 ± 0,000077077 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
503 ± 2 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)12%

37Si

Hejmara baristeyî37
neutron number23
Giraniya atomê
36,992945191 ± 0,000122179 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
141 ± 3,5 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1979
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)17%
2n (2-neutron emission)

38Si

Hejmara baristeyî38
neutron number24
Giraniya atomê
37,995523 ± 0,0001125 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
63 ± 8 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)25%

39Si

Hejmara baristeyî39
neutron number25
Giraniya atomê
39,002491 ± 0,0001455 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
41,2 ± 4,1 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1979
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)33%
2n (2-neutron emission)

40Si

Hejmara baristeyî40
neutron number26
Giraniya atomê
40,006083641 ± 0,000130962 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
31,2 ± 2,6 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1989
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)38%
2n (2-neutron emission)

41Si

Hejmara baristeyî41
neutron number27
Giraniya atomê
41,014171 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
20 ± 2,5 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1989
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)55%
2n (2-neutron emission)

42Si

Hejmara baristeyî42
neutron number28
Giraniya atomê
42,018078 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
12,5 ± 3,5 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1990
parity+

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

43Si

Hejmara baristeyî43
neutron number29
Giraniya atomê
43,026119 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2002
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

44Si

Hejmara baristeyî44
neutron number30
Giraniya atomê
44,031466 ± 0,000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2007
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

45Si

Hejmara baristeyî45
neutron number31
Giraniya atomê
45,039818 ± 0,000644 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
SiliconCroda
Silicon-unit-cell-3D-balls

dîrok

kaşîf an îcadkerJöns Berzelius
location of discoverySweden
dema îcadkirinê yan keşfê1824
BêjenasîLatin: silex, silicus, (flint).
pronunciationSIL-i-ken (îngilîzî)

source

Abundance
Abundance in Earth's crust
282.000 mg/kg
natural abundance (Okyanûs)
2,2 mg/L
natural abundance (human body)
0,026 %
natural abundance (meteoroid)
14 %
natural abundance (Roj)
0,09 %
Abundance in Universe
0,07 %

Nuclear Screening Constants

1s0.4255
2p4.055
2s4.98
3p9.7148
3s9.0968