Eskandioa

Eskandioa (Sc)

Zenbaki atomikoa 21 duen elementu kimikoa. Oso metal arina da; lur arraro gisa sailkatuta dago, eta oso kantitate txikitan aurkitzen da mineraletan beste metal batzuekin batera.
Atomic Number21
Atomic Weight44.955908
masa-zenbaki45
Group3
Period4
Blockd
protoi21 p+
neutroi24 n0
elektroi21 e-
Animated Bohrren eredu atomikoa of Sc (Eskandioa)

Propietate Fisiko

Erradio Atomiko
160 pm
bolumen molar
Erradio Kobalente
148 pm
Metallic Radius
144 pm
Erradio ioniko
74,5 pm
Crystal Radius
88,5 pm
Van der Waalsen erradio
215 pm
dentsitatea
2,99 g/cm³
Atomic Radii Of The Elements: Eskandioa0102030405060708090100110120130140150160170180190200210220pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
914 kJ/mol
Afinitate elektroniko
ionizazio energia
6,56149 eV/particle
ionizazio energia of Sc (Eskandioa)
Irakite-entalpia
332,7 kJ/mol
urtze-entalpia
15,8 kJ/mol
formazio entalpia estandarra
377,8 kJ/mol
elektroi
elektroi geruza2, 8, 9, 2
Bohrren eredu atomikoa: Sc (Eskandioa)
balentzia-elektroi2
Lewis egitura: Sc (Eskandioa)
electron configuration[Ar] 3d1 4s2
1s2 2s2 2p6 3s2 3p6 3d1 4s2
Enhanced Bohrren eredu atomikoa of Sc (Eskandioa)
Orbital Diagram of Sc (Eskandioa)
Oxidazio-egoera0, 1, 2, 3
Elektronegatibotasun
1.36
Electrophilicity Index
0,8934589851890408 eV/particle
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
3.109,15 K
Melting Point
1.814,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Silver
appearancesilvery white
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
15,8 W/(m K)
Bero-dilatazio
0,0000102 1/K
molar heat capacity
25,52 J/(mol K)
Specific Heat Capacity
0,568 J/(g⋅K)
indize adiabatiko
electrical properties
typeConductor
Eroankortasun elektriko
1,8 MS/m
Erresistibitate elektriko
0,00000055 m Ω
Supereroankortasun
0,05 K
Magnetismo
typeparamagnetic
suszeptibilitate magnetiko (Mass)
0,000000088 m³/Kg
suszeptibilitate magnetiko (Molar)
0,000000003956 m³/mol
suszeptibilitate magnetiko (Volume)
0,0002627
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,31 Å
Lattice Anglesπ/2, π/2, 2 π/3
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
57 GPa
Zizaila modulua
29 GPa
Youngen modulu
74 GPa
Poissonen modulu
0,28
Soinuaren lastertasun
classification
CategoryTransition metals, Transition metals
CAS GroupIIIA
IUPAC GroupIIIB
Glawe Number48
Mendeleev Number11
Pettifor Number20
Geochemical Classfirst series transition metal
Goldschmidt classificationlitophile

beste batzuk

Gas Basicity
892 kJ/mol
polarizability
97 ± 10 a₀
C6 Dispersion Coefficient
1.383 a₀
allotrope
Neutron cross section
27,2
Neutron Mass Absorption
0,025
zenbaki kuantiko2D3/2
talde espazial194 (P63/mmc)

Isotopes of Scandium

Stable Isotopes1
Unstable Isotopes28
Natural Isotopes1

35Sc

masa-zenbaki35
neutron number14
atomo-masa erlatibo
35,029093 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data
parity-

decay modeintensity
p (proton emission)

36Sc

masa-zenbaki36
neutron number15
atomo-masa erlatibo
36,017338 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data
parity

decay modeintensity
p (proton emission)

37Sc

masa-zenbaki37
neutron number16
atomo-masa erlatibo
37,004058 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data
parity-

decay modeintensity
p (proton emission)

38Sc

masa-zenbaki38
neutron number17
atomo-masa erlatibo
37,995438 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin2
nuclear quadrupole moment
aurkikuntza-data
parity-

decay modeintensity
p (proton emission)

39Sc

masa-zenbaki39
neutron number18
atomo-masa erlatibo
38,984784953 ± 0,000025765 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data1988
parity-

decay modeintensity
p (proton emission)100%

40Sc

masa-zenbaki40
neutron number19
atomo-masa erlatibo
39,977967275 ± 0,000003036 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
182,3 ± 0,7 ms
spin4
nuclear quadrupole moment
aurkikuntza-data1955
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.44%
β+α (β+-delayed α emission)0.017%

41Sc

masa-zenbaki41
neutron number20
atomo-masa erlatibo
40,969251163 ± 0,000000083 Da
g-factor
1,5509428571429 ± 0,0004
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
596,3 ± 1,7 ms
spin7/2
nuclear quadrupole moment
−0,145 ± 0,003
aurkikuntza-data1941
parity-

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

42Sc

masa-zenbaki42
neutron number21
atomo-masa erlatibo
41,965516686 ± 0,000000165 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
680,72 ± 0,26 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1955
parity+

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

43Sc

masa-zenbaki43
neutron number22
atomo-masa erlatibo
42,961150425 ± 0,000001999 Da
g-factor
1,2931428571429 ± 0,0028571428571429
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,891 ± 0,012 h
spin7/2
nuclear quadrupole moment
−0,27 ± 0,05
aurkikuntza-data1935
parity-

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

44Sc

masa-zenbaki44
neutron number23
atomo-masa erlatibo
43,959402818 ± 0,000001884 Da
g-factor
1,249 ± 0,0025
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,0421 ± 0,0025 h
spin2
nuclear quadrupole moment
0,1 ± 0,05
aurkikuntza-data1937
parity+

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

45Sc

masa-zenbaki45
neutron number24
atomo-masa erlatibo
44,955907051 ± 0,000000712 Da
g-factor
1,3582857142857 ± 0,000022857142857143
natural abundance
100
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
−0,22 ± 0,002
aurkikuntza-data1923
parity-

46Sc

masa-zenbaki46
neutron number25
atomo-masa erlatibo
45,955167034 ± 0,00000072 Da
g-factor
0,76 ± 0,002
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
83,757 ± 0,014 d
spin4
nuclear quadrupole moment
0,119 ± 0,006
aurkikuntza-data1936
parity+

decay modeintensity
β (β decay)100%

47Sc

masa-zenbaki47
neutron number26
atomo-masa erlatibo
46,952402444 ± 0,000002072 Da
g-factor
1,5257142857143 ± 0,0057142857142857
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,3492 ± 0,0006 d
spin7/2
nuclear quadrupole moment
−0,22 ± 0,03
aurkikuntza-data1945
parity-

decay modeintensity
β (β decay)100%

48Sc

masa-zenbaki48
neutron number27
atomo-masa erlatibo
47,952222903 ± 0,000005313 Da
g-factor
0,62283333333333 ± 0,002
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
43,67 ± 0,09 h
spin6
nuclear quadrupole moment
aurkikuntza-data1937
parity+

decay modeintensity
β (β decay)100%

49Sc

masa-zenbaki49
neutron number28
atomo-masa erlatibo
48,950013159 ± 0,000002434 Da
g-factor
1,6028571428571 ± 0,0085714285714286
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
57,18 ± 0,13 m
spin7/2
nuclear quadrupole moment
aurkikuntza-data1940
parity-

decay modeintensity
β (β decay)100%

50Sc

masa-zenbaki50
neutron number29
atomo-masa erlatibo
49,952187437 ± 0,0000027 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
102,5 ± 0,5 s
spin5
nuclear quadrupole moment
aurkikuntza-data1959
parity+

decay modeintensity
β (β decay)100%

51Sc

masa-zenbaki51
neutron number30
atomo-masa erlatibo
50,953568838 ± 0,0000027 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
12,4 ± 0,1 s
spin7/2
nuclear quadrupole moment
aurkikuntza-data1966
parity

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

52Sc

masa-zenbaki52
neutron number31
atomo-masa erlatibo
51,95649617 ± 0,0000033 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
8,2 ± 0,2 s
spin3
nuclear quadrupole moment
aurkikuntza-data1980
parity

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

53Sc

masa-zenbaki53
neutron number32
atomo-masa erlatibo
52,958379173 ± 0,000019 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,4 ± 0,6 s
spin7/2
nuclear quadrupole moment
aurkikuntza-data1980
parity-

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

54Sc

masa-zenbaki54
neutron number33
atomo-masa erlatibo
53,963029359 ± 0,000015 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
526 ± 15 ms
spin3
nuclear quadrupole moment
aurkikuntza-data1990
parity

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)16%

55Sc

masa-zenbaki55
neutron number34
atomo-masa erlatibo
54,966889637 ± 0,000067 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
96 ± 2 ms
spin7/2
nuclear quadrupole moment
aurkikuntza-data1990
parity

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

56Sc

masa-zenbaki56
neutron number35
atomo-masa erlatibo
55,972607611 ± 0,000278761 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
26 ± 6 ms
spin1
nuclear quadrupole moment
aurkikuntza-data1997
parity+

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

57Sc

masa-zenbaki57
neutron number36
atomo-masa erlatibo
56,977048 ± 0,000193 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
22 ± 2 ms
spin7/2
nuclear quadrupole moment
aurkikuntza-data1997
parity-

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

58Sc

masa-zenbaki58
neutron number37
atomo-masa erlatibo
57,983382 ± 0,000204 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
12 ± 5 ms
spin3
nuclear quadrupole moment
aurkikuntza-data1997
parity+

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

59Sc

masa-zenbaki59
neutron number38
atomo-masa erlatibo
58,988374 ± 0,000268 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data2009
parity-

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

60Sc

masa-zenbaki60
neutron number39
atomo-masa erlatibo
59,995115 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3
nuclear quadrupole moment
aurkikuntza-data2009
parity+

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

61Sc

masa-zenbaki61
neutron number40
atomo-masa erlatibo
61,000537 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data2009
parity-

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

62Sc

masa-zenbaki62
neutron number41
atomo-masa erlatibo
62,007848 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data2018
parity

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

63Sc

masa-zenbaki63
neutron number42
atomo-masa erlatibo
63,014031 ± 0,000751 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Scandium sublimed dendritic and 1cm3 cube

historia

aurkitzailea edo asmatzaileaLars Nilson
aurkikuntzaren lekuaSweden
aurkikuntza-data1879
etimologiaLatin: Scandia, Scandinavia.
pronunciationSKAN-di-em (ingelesa)

source

Abundance
Abundance in Earth's crust
natural abundance (ozeano)
0,0000006 mg/L
natural abundance (gizakiaren gorputza)
natural abundance (Meteoroide)
0,00064 %
natural abundance (Eguzkia)
0,000004 %
Abundance in Universe
0,000003 %

Nuclear Screening Constants

1s0.5434
2p3.9454
2s6.4264
3d13.8801
3p11.5938
3s10.6602
4s16.3676