Silicij

Silicij (Si)

chemical element with symbol Si and atomic number 14
Atomski broj14
Relativna atomska masa28.085
Maseni broj28
Skupina14
Perioda3
Blokp
proton14 p+
neutron14 n0
elektron14 e-
Animated Bohrov model atoma of Si (Silicij)

Physical Property

Atomski Radijus
110 pm
Molni volumen
Kovalentni Radijus
116 pm
Metallic Radius
117 pm
Ionski radijus
26 pm
Crystal Radius
40 pm
Van der Waals radius
210 pm
gustoća
2,3296 g/cm³
Atomic Radii Of The Elements: Silicij0102030405060708090100110120130140150160170180190200210pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
837 kJ/mol
Elektronski afinitet
1,3895211 eV/particle
ionization energy
8,151683 eV/particle
ionization energy of Si (Silicij)
Toplina isparivanja
383 kJ/mol
toplina taljenja
50,6 kJ/mol
standard enthalpy of formation
450 kJ/mol
elektron
Elektronska ljuska2, 8, 4
Bohrov model atoma: Si (Silicij)
valence electron4
Lewis structure: Si (Silicij)
electron configuration[Ne] 3s2 3p2
1s2 2s2 2p6 3s2 3p2
Enhanced Bohrov model atoma of Si (Silicij)
Orbital Diagram of Si (Silicij)
Oksidacijski broj-4, -3, -2, -1, 0, 1, 2, 3, 4
Elektronegativnost
1.9
Electrophilicity Index
1,6827934805482991 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
3.538,15 K
Talište
1.687,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Siva
appearancecrystalline, reflective with bluish-tinged faces
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
0,0000026 1/K
molar heat capacity
19,99 J/(mol K)
Specifični toplinski kapacitet
0,712 J/(g⋅K)
heat capacity ratio
electrical properties
typeSemiconductor
electrical conductivity
0,001 MS/m
Električna otpornost i provodnost
0,001 m Ω
Supravodljivost
Magnetizam
typediamagnetic
Magnetna susceptibilnost (Mass)
−0,0000000016 m³/Kg
Magnetna susceptibilnost (Molar)
−0,0000000000449 m³/mol
Magnetna susceptibilnost (Volume)
−0,00000373
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna strukturaTetraedarsko slaganje (DIA)
lattice constant
5,43 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
6,5 MPa
bulk modulus
100 GPa
shear modulus
Youngov modul elastičnosti
47 GPa
Poissonov omjer
brzina zvuka
2.200 m/s
classification
KategorijaPolumetali, 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
Nuklearni udarni presjek
0,166
Neutron Mass Absorption
0,0002
Kvantni brojevi3P0
space group227 (Fd_3m)

Isotopes of Silicon

Stabilni izotopi3
Nestabilni izotopi21
Natural Isotopes3
Isotopic Composition2892.25%2892.25%294.67%294.67%303.07%303.07%

22Si

Maseni broj22
neutron number8
Relativna atomska masa
22,036114 ± 0,000537 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
28,7 ± 1,1 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1987
Parnost+

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

23Si

Maseni broj23
neutron number9
Relativna atomska masa
23,025711 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
42,3 ± 0,4 ms
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost+

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

24Si

Maseni broj24
neutron number10
Relativna atomska masa
24,01153543 ± 0,000020904 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
143,2 ± 2,1 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1979
Parnost+

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

25Si

Maseni broj25
neutron number11
Relativna atomska masa
25,004108798 ± 0,000010735 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
220,6 ± 1 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1963
Parnost+

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

26Si

Maseni broj26
neutron number12
Relativna atomska masa
25,992333818 ± 0,000000115 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,2453 ± 0,0007 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1960
Parnost+

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

27Si

Maseni broj27
neutron number13
Relativna atomska masa
26,986704687 ± 0,000000115 Da
g-factor
0,34608 ± 0,00012
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,117 ± 0,014 s
spin5/2
nuclear quadrupole moment
0,063 ± 0,014
vrijeme otkrića ili izuma1939
Parnost+

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

28Si

Maseni broj28
neutron number14
Relativna atomska masa
27,97692653442 ± 0,00000000055 Da
g-factor
0
natural abundance
92,2545 ± 0,0037
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1920
Parnost+

29Si

Maseni broj29
neutron number15
Relativna atomska masa
28,97649466434 ± 0,0000000006 Da
g-factor
−1,110104 ± 0,000006
natural abundance
4,672 ± 0,016
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1920
Parnost+

30Si

Maseni broj30
neutron number16
Relativna atomska masa
29,973770137 ± 0,000000023 Da
g-factor
0
natural abundance
3,0735 ± 0,0021
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1924
Parnost+

31Si

Maseni broj31
neutron number17
Relativna atomska masa
30,975363196 ± 0,000000046 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
157,16 ± 0,2 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1934
Parnost+

decay modeintensity
β (β decay)100%

32Si

Maseni broj32
neutron number18
Relativna atomska masa
31,974151538 ± 0,00000032 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
157 ± 7 y
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1953
Parnost+

decay modeintensity
β (β decay)100%

33Si

Maseni broj33
neutron number19
Relativna atomska masa
32,977976964 ± 0,00000075 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,18 ± 0,18 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1971
Parnost+

decay modeintensity
β (β decay)100%

34Si

Maseni broj34
neutron number20
Relativna atomska masa
33,978538045 ± 0,00000086 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,77 ± 0,2 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1971
Parnost+

decay modeintensity
β (β decay)100%

35Si

Maseni broj35
neutron number21
Relativna atomska masa
34,984550111 ± 0,000038494 Da
g-factor
0,46828571428571 ± 0,0011428571428571
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
780 ± 120 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1971
Parnost-

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

36Si

Maseni broj36
neutron number22
Relativna atomska masa
35,986649271 ± 0,000077077 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
503 ± 2 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1971
Parnost+

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

37Si

Maseni broj37
neutron number23
Relativna atomska masa
36,992945191 ± 0,000122179 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
141 ± 3,5 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1979
Parnost-

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

38Si

Maseni broj38
neutron number24
Relativna atomska masa
37,995523 ± 0,0001125 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
63 ± 8 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1979
Parnost+

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

39Si

Maseni broj39
neutron number25
Relativna atomska masa
39,002491 ± 0,0001455 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
41,2 ± 4,1 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1979
Parnost-

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

40Si

Maseni broj40
neutron number26
Relativna atomska masa
40,006083641 ± 0,000130962 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
31,2 ± 2,6 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1989
Parnost+

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

41Si

Maseni broj41
neutron number27
Relativna atomska masa
41,014171 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
20 ± 2,5 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1989
Parnost-

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

42Si

Maseni broj42
neutron number28
Relativna atomska masa
42,018078 ± 0,000322 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,5 ± 3,5 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1990
Parnost+

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

43Si

Maseni broj43
neutron number29
Relativna atomska masa
43,026119 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2002
Parnost-

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

44Si

Maseni broj44
neutron number30
Relativna atomska masa
44,031466 ± 0,000537 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2007
Parnost+

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

45Si

Maseni broj45
neutron number31
Relativna atomska masa
45,039818 ± 0,000644 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

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

povijest

otkrio/izumioJöns Berzelius
location of discoverySweden
vrijeme otkrića ili izuma1824
EtimologijaLatin: silex, silicus, (flint).
pronunciationSIL-i-ken (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
282.000 mg/kg
natural abundance (ocean)
2,2 mg/L
natural abundance (tijelo)
0,026 %
natural abundance (meteoroid)
14 %
natural abundance (Sunce)
0,09 %
Zastupljenost u svemiru
0,07 %

Nuclear Screening Constants

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