Silicium (Si)

chemical element with symbol Si and atomic number 14

Atomic Number	14
Atomic Weight	28.085
Numri i masës	28

Group	14
Period	3
Block	p

protoni	14 p⁺
neutroni	14 n⁰
elektroni	14 e^-

Tipar Fizik

Atomic Radius	110 pm 232 pm
molar volume	12,1 cm³/mol
covalent radius	116 pm 107 pm 102 pm 117 pm 111 pm
Metallic Radius	117 pm 138 pm
ionic radius	26 pm 40 pm
Crystal Radius	40 pm 54 pm
Van der Waals radius	210 pm 210 pm 427 pm 210 pm 229 pm 429,5 pm
density	2,3296 g/cm³ 2 570 kg/m³

Chemical Property

{ERROR}

energjia

proton affinity	837 kJ/mol
electron affinity	1,3895211 eV/particle
ionization energy	8,151683 eV/particle 16,345845 eV/particle 33,493 eV/particle 45,14179 eV/particle 166,767 eV/particle 205,267 eV/particle 246,32 eV/particle 303,66 eV/particle 351,1 eV/particle 401,38 eV/particle 476,18 eV/particle 523,415 eV/particle 2 437,65804 eV/particle 2 673,1774 eV/particle

enthalpy of vaporization	383 kJ/mol
enthalpy of fusion	50,6 kJ/mol
standard enthalpy of formation	450 kJ/mol
elektroni

electron shell	2, 8, 4

valence electron	4 ⓘ

konfigurimi i elektronit	[Ne] 3s² 3p²ⓘ 1s² 2s² 2p⁶ 3s² 3p²

oxidation number	-4, -3, -2, -1, 0, 1, 2, 3, 4
Elektronegativiteti	11,33 eV/particle 0.178503 1.9
Electrophilicity Index	1,6827934805482991 eV/particle
fundamental state of matter

gjendja agregate e materies
gaseous state of matter
Boiling Point	3 538,15 K
Melting Point	1 687,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra	Black #daa520 #f0c8a0 #f0c8a0
appearance	crystalline, reflective with bluish-tinged faces
refractive index
thermodynamic material property
Thermal Conductivity	149 W/(m K)
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
type	Semiconductor
electrical conductivity	0,001 MS/m
electrical resistivity	0,001 Ω*m
Superpërcjellshmëria
Magnetizimi
type	diamagnetic
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
strukturë
Crystal Structure	{ERROR}
lattice constant	5,43 Å
Lattice Angles	π/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
Shpejtësia e zërit	2 200 m/s
klasifikim
Category	Actinides, Metalloids
CAS Group	IVB
IUPAC Group	IVA
Glawe Number	85
Mendeleev Number	88
Pettifor Number	85
Geochemical Class	major
Goldschmidt classification	litophile

other

Gas Basicity	814,1 kJ/mol
polarizability	37,3 ± 0,7 a₀
C6 Dispersion Coefficient	305 a₀ 308 a₀
allotrope
Neutron cross section	0,166
Neutron Mass Absorption	0,0002
numër kuantik	3P0
space group	227 (Fd_3m)

Isotopes of Silicon

Stable Isotopes	3
Unstable Isotopes	21
Natural Isotopes	3

²²Si

Numri i masës	22
numri i neutroneve	8
Relative Atomic Mass	22,036114 ± 0,000537 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	28,7 ± 1,1 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1987
parity	+

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

²³Si

Numri i masës	23
numri i neutroneve	9
Relative Atomic Mass	23,025711 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	42,3 ± 0,4 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1986
parity	+

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

²⁴Si

Numri i masës	24
numri i neutroneve	10
Relative Atomic Mass	24,01153543 ± 0,000020904 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	143,2 ± 2,1 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1979
parity	+

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

²⁵Si

Numri i masës	25
numri i neutroneve	11
Relative Atomic Mass	25,004108798 ± 0,000010735 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	220,6 ± 1 ms
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1963
parity	+

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

²⁶Si

Numri i masës	26
numri i neutroneve	12
Relative Atomic Mass	25,992333818 ± 0,000000115 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,2453 ± 0,0007 s
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1960
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²⁷Si

Numri i masës	27
numri i neutroneve	13
Relative Atomic Mass	26,986704687 ± 0,000000115 Da
g-factor	0,34608 ± 0,00012
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	4,117 ± 0,014 s
Spini	5/2
nuclear quadrupole moment	0,063 ± 0,014
koha e zbulimit apo shpikjes	1939
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²⁸Si

Numri i masës	28
numri i neutroneve	14
Relative Atomic Mass	27,97692653442 ± 0,00000000055 Da
g-factor	0
natural abundance	92,2545 ± 0,0037
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1920
parity	+

²⁹Si

Numri i masës	29
numri i neutroneve	15
Relative Atomic Mass	28,97649466434 ± 0,0000000006 Da
g-factor	-1,110104 ± 0,000006
natural abundance	4,672 ± 0,016
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	1/2
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1920
parity	+

³⁰Si

Numri i masës	30
numri i neutroneve	16
Relative Atomic Mass	29,973770137 ± 0,000000023 Da
g-factor	0
natural abundance	3,0735 ± 0,0021
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1924
parity	+

³¹Si

Numri i masës	31
numri i neutroneve	17
Relative Atomic Mass	30,975363196 ± 0,000000046 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	157,16 ± 0,2 m
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1934
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

³²Si

Numri i masës	32
numri i neutroneve	18
Relative Atomic Mass	31,974151538 ± 0,00000032 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	157 ± 7 y
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1953
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

³³Si

Numri i masës	33
numri i neutroneve	19
Relative Atomic Mass	32,977976964 ± 0,00000075 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	6,18 ± 0,18 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1971
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

³⁴Si

Numri i masës	34
numri i neutroneve	20
Relative Atomic Mass	33,978538045 ± 0,00000086 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,77 ± 0,2 s
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1971
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

³⁵Si

Numri i masës	35
numri i neutroneve	21
Relative Atomic Mass	34,984550111 ± 0,000038494 Da
g-factor	0,46828571428571 ± 0,0011428571428571
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	780 ± 120 ms
Spini	7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1971
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	5%

³⁶Si

Numri i masës	36
numri i neutroneve	22
Relative Atomic Mass	35,986649271 ± 0,000077077 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	503 ± 2 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1971
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	12%

³⁷Si

Numri i masës	37
numri i neutroneve	23
Relative Atomic Mass	36,992945191 ± 0,000122179 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	141 ± 3,5 ms
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1979
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	17%
2n (2-neutron emission)

³⁸Si

Numri i masës	38
numri i neutroneve	24
Relative Atomic Mass	37,995523 ± 0,0001125 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	63 ± 8 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1979
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	25%

³⁹Si

Numri i masës	39
numri i neutroneve	25
Relative Atomic Mass	39,002491 ± 0,0001455 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	41,2 ± 4,1 ms
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1979
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	33%
2n (2-neutron emission)

⁴⁰Si

Numri i masës	40
numri i neutroneve	26
Relative Atomic Mass	40,006083641 ± 0,000130962 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	31,2 ± 2,6 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1989
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	38%
2n (2-neutron emission)

⁴¹Si

Numri i masës	41
numri i neutroneve	27
Relative Atomic Mass	41,014171 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	20 ± 2,5 ms
Spini	7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1989
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	55%
2n (2-neutron emission)

⁴²Si

Numri i masës	42
numri i neutroneve	28
Relative Atomic Mass	42,018078 ± 0,000322 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	12,5 ± 3,5 ms
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1990
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁴³Si

Numri i masës	43
numri i neutroneve	29
Relative Atomic Mass	43,026119 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2002
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁴⁴Si

Numri i masës	44
numri i neutroneve	30
Relative Atomic Mass	44,031466 ± 0,000537 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	2007
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁴⁵Si

Numri i masës	45
numri i neutroneve	31
Relative Atomic Mass	45,039818 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

historia

zbulues	Jöns Berzelius
vendndodhja e zbulimit	Sweden
koha e zbulimit apo shpikjes	1824
Etimologjia	Latin: silex, silicus, (flint).
pronunciation	SIL-i-ken (anglisht)

burim

Abundance
Abundance in Earth's crust	282 000 mg/kg
natural abundance (Oqeani)	2,2 mg/L
natural abundance (Trupi i njeriut)	0,026 %
natural abundance (meteoroid)	14 %
natural abundance (Diell)	0,09 %
Abundance in Universe	0,07 %

Nuclear Screening Constants

1	s	0.4255
2	p	4.055
2	s	4.98
3	p	9.7148
3	s	9.0968

Silicium on ChemicalAid

Silicium (Si)

Tipar Fizik

Chemical Property

other

Isotopes of Silicon

22Si

23Si

24Si

25Si

26Si

27Si

28Si

29Si

30Si

31Si

32Si

33Si

34Si

35Si

36Si

37Si

38Si

39Si

40Si

41Si

42Si

43Si

44Si

45Si

historia

burim

Nuclear Screening Constants

²²Si

²³Si

²⁴Si

²⁵Si

²⁶Si

²⁷Si

²⁸Si

²⁹Si

³⁰Si

³¹Si

³²Si

³³Si

³⁴Si

³⁵Si

³⁶Si

³⁷Si

³⁸Si

³⁹Si

⁴⁰Si

⁴¹Si

⁴²Si

⁴³Si

⁴⁴Si

⁴⁵Si