Silīcijs

Silīcijs (Si)

chemical element with symbol Si and atomic number 14
Atomic Number14
Atomic Weight28.085
Masas skaitlis28
Group14
Period3
Blockp
protons14 p+
neitrons14 n0
elektrons14 e-
Animated Bora atoma struktūras modelis of Si (Silīcijs)

Fizikāla Īpašība

Atoma Rādiuss
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
blīvums
Atomic Radii Of The Elements: Silīcijs0102030405060708090100110120130140150160170180190200210pmAtoma RādiussCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

enerģija
proton affinity
Elektrontieksme
jonizācijas potenciāls
jonizācijas potenciāls of Si (Silīcijs)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektrons
electron shell2, 8, 4
Bora atoma struktūras modelis: Si (Silīcijs)
vērtības elektrons4
Lewis structure: Si (Silīcijs)
elektronu konfigurācija[Ne] 3s2 3p2
1s2 2s2 2p6 3s2 3p2
Enhanced Bora atoma struktūras modelis of Si (Silīcijs)
Orbital Diagram of Si (Silīcijs)
Oksidēšanas pakāpe-4, -3, -2, -1, 0, 1, 2, 3, 4
elektronegativitāte
1.9
Electrophilicity Index
fundamentālais agregātstāvoklis
agregātstāvoklisSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa
Gray
appearancecrystalline, reflective with bluish-tinged faces
Laušanas koeficients
thermodynamic material property
Thermal Conductivity
Termiskā izplešanās
Molārā siltumietilpība
Specific Heat Capacity
heat capacity ratio
electrical properties
typeSemiconductor
electrical conductivity
īpatnējā pretestība
Supravadītspēja
Magnētisms
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000016 m³/Kg
magnetic susceptibility (Molar)
-0,0000000000449 m³/mol
magnetic susceptibility (Volume)
-0,00000373
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal StructureTetrahedral Packing (DIA)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
Cietība
tilpuma elastības modulis
shear modulus
Junga modulis
Poisson's ratio
skaņas ātrums
klasifikācija
CategoryMetalloids, Metalloids
CAS GroupIVB
IUPAC GroupIVA
Glawe Number85
Mendeleev Number88
Pettifor Number85
Geochemical Classmajor
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
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

Masas skaitlis22
neutron number8
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
28,7 ± 1,1 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1987
parity+

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

23Si

Masas skaitlis23
neutron number9
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
42,3 ± 0,4 ms
spins3/2
nuclear quadrupole moment
atklāšanas datums1986
parity+

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

24Si

Masas skaitlis24
neutron number10
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
143,2 ± 2,1 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1979
parity+

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

25Si

Masas skaitlis25
neutron number11
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
220,6 ± 1 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1963
parity+

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

26Si

Masas skaitlis26
neutron number12
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,2453 ± 0,0007 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1960
parity+

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

27Si

Masas skaitlis27
neutron number13
Relative Atomic Mass
g-factor
0,34608 ± 0,00012
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
4,117 ± 0,014 s
spins5/2
nuclear quadrupole moment
0,063 ± 0,014
atklāšanas datums1939
parity+

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

28Si

Masas skaitlis28
neutron number14
Relative Atomic Mass
g-factor
0
natural abundance
92,2545 ± 0,0037
radioaktivitātestable isotope
Pussabrukšanas periodsNot Radioactive ☢️
spins0
nuclear quadrupole moment
0
atklāšanas datums1920
parity+

29Si

Masas skaitlis29
neutron number15
Relative Atomic Mass
g-factor
-1,110104 ± 0,000006
natural abundance
4,672 ± 0,016
radioaktivitātestable isotope
Pussabrukšanas periodsNot Radioactive ☢️
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1920
parity+

30Si

Masas skaitlis30
neutron number16
Relative Atomic Mass
g-factor
0
natural abundance
3,0735 ± 0,0021
radioaktivitātestable isotope
Pussabrukšanas periodsNot Radioactive ☢️
spins0
nuclear quadrupole moment
0
atklāšanas datums1924
parity+

31Si

Masas skaitlis31
neutron number17
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
157,16 ± 0,2 m
spins3/2
nuclear quadrupole moment
atklāšanas datums1934
parity+

decay modeintensity
β (β decay)100%

32Si

Masas skaitlis32
neutron number18
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
157 ± 7 y
spins0
nuclear quadrupole moment
0
atklāšanas datums1953
parity+

decay modeintensity
β (β decay)100%

33Si

Masas skaitlis33
neutron number19
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
6,18 ± 0,18 s
spins3/2
nuclear quadrupole moment
atklāšanas datums1971
parity+

decay modeintensity
β (β decay)100%

34Si

Masas skaitlis34
neutron number20
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,77 ± 0,2 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1971
parity+

decay modeintensity
β (β decay)100%

35Si

Masas skaitlis35
neutron number21
Relative Atomic Mass
g-factor
0,46828571428571 ± 0,0011428571428571
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
780 ± 120 ms
spins7/2
nuclear quadrupole moment
atklāšanas datums1971
parity-

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

36Si

Masas skaitlis36
neutron number22
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
503 ± 2 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1971
parity+

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

37Si

Masas skaitlis37
neutron number23
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
141 ± 3,5 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1979
parity-

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

38Si

Masas skaitlis38
neutron number24
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
63 ± 8 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1979
parity+

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

39Si

Masas skaitlis39
neutron number25
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
41,2 ± 4,1 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1979
parity-

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

40Si

Masas skaitlis40
neutron number26
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
31,2 ± 2,6 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1989
parity+

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

41Si

Masas skaitlis41
neutron number27
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
20 ± 2,5 ms
spins7/2
nuclear quadrupole moment
atklāšanas datums1989
parity-

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

42Si

Masas skaitlis42
neutron number28
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
12,5 ± 3,5 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1990
parity+

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

43Si

Masas skaitlis43
neutron number29
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins3/2
nuclear quadrupole moment
atklāšanas datums2002
parity-

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

44Si

Masas skaitlis44
neutron number30
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums2007
parity+

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

45Si

Masas skaitlis45
neutron number31
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins3/2
nuclear quadrupole moment
atklāšanas datums
parity-

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

vēsture

atklājējs vai izgudrotājsJöns Berzelius
atraduma atrašanās vietaSweden
atklāšanas datums1824
EtimoloģijaLatin: silex, silicus, (flint).
izrunaSIL-i-ken (angļu)

avots

Abundance
Abundance in Earth's crust
natural abundance (okeāns)
natural abundance (cilvēka ķermenis)
0,026 %
natural abundance (meteoroīds)
14 %
natural abundance (Saule)
0,09 %
Abundance in Universe
0,07 %

Nuclear Screening Constants

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