Skandij

Skandij (Sc)

chemical element with symbol Sc and atomic number 21
Atomski broj21
Relativna atomska masa44.955908
Maseni broj45
Skupina3
Perioda4
Blokd
proton21 p+
neutron24 n0
elektron21 e-
Animated Bohrov model atoma of Sc (Skandij)

Physical Property

Atomski Radijus
160 pm
Molni volumen
Kovalentni Radijus
148 pm
Metallic Radius
144 pm
Ionski radijus
74,5 pm
Crystal Radius
88,5 pm
Van der Waals radius
215 pm
gustoća
2,99 g/cm³
Atomic Radii Of The Elements: Skandij0102030405060708090100110120130140150160170180190200210220pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
914 kJ/mol
Elektronski afinitet
ionization energy
6,56149 eV/particle
ionization energy of Sc (Skandij)
Toplina isparivanja
332,7 kJ/mol
toplina taljenja
15,8 kJ/mol
standard enthalpy of formation
377,8 kJ/mol
elektron
Elektronska ljuska2, 8, 9, 2
Bohrov model atoma: Sc (Skandij)
valence electron2
Lewis structure: Sc (Skandij)
electron configuration[Ar] 3d1 4s2
1s2 2s2 2p6 3s2 3p6 3d1 4s2
Enhanced Bohrov model atoma of Sc (Skandij)
Orbital Diagram of Sc (Skandij)
Oksidacijski broj0, 1, 2, 3
Elektronegativnost
1.36
Electrophilicity Index
0,8934589851890408 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
3.109,15 K
Talište
1.814,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Srebrna
appearancesilvery white
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
15,8 W/(m K)
Toplinsko istezanje
0,0000102 1/K
molar heat capacity
25,52 J/(mol K)
Specifični toplinski kapacitet
0,568 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,8 MS/m
Električna otpornost i provodnost
0,00000055 m Ω
Supravodljivost
0,05 K
Magnetizam
typeparamagnetic
Magnetna susceptibilnost (Mass)
0,000000088 m³/Kg
Magnetna susceptibilnost (Molar)
0,000000003956 m³/mol
Magnetna susceptibilnost (Volume)
0,0002627
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna strukturaJednostavna heksagonska (HEX)
lattice constant
3,31 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
bulk modulus
57 GPa
shear modulus
29 GPa
Youngov modul elastičnosti
74 GPa
Poissonov omjer
0,28
brzina zvuka
classification
KategorijaPrijelazni metali, Transition metals
CAS GroupIIIA
IUPAC GroupIIIB
Glawe Number48
Mendeleev Number11
Pettifor Number20
Geochemical Classfirst series transition metal
Goldschmidt classificationlitophile

other

Gas Basicity
892 kJ/mol
polarizability
97 ± 10 a₀
C6 Dispersion Coefficient
1.383 a₀
allotrope
Nuklearni udarni presjek
27,2
Neutron Mass Absorption
0,025
Kvantni brojevi2D3/2
space group194 (P63/mmc)

Isotopes of Scandium

Stabilni izotopi1
Nestabilni izotopi28
Natural Isotopes1

35Sc

Maseni broj35
neutron number14
Relativna atomska masa
35,029093 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
p (proton emission)

36Sc

Maseni broj36
neutron number15
Relativna atomska masa
36,017338 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost

decay modeintensity
p (proton emission)

37Sc

Maseni broj37
neutron number16
Relativna atomska masa
37,004058 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
p (proton emission)

38Sc

Maseni broj38
neutron number17
Relativna atomska masa
37,995438 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
p (proton emission)

39Sc

Maseni broj39
neutron number18
Relativna atomska masa
38,984784953 ± 0,000025765 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1988
Parnost-

decay modeintensity
p (proton emission)100%

40Sc

Maseni broj40
neutron number19
Relativna atomska masa
39,977967275 ± 0,000003036 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
182,3 ± 0,7 ms
spin4
nuclear quadrupole moment
vrijeme otkrića ili izuma1955
Parnost-

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

Maseni broj41
neutron number20
Relativna atomska masa
40,969251163 ± 0,000000083 Da
g-factor
1,5509428571429 ± 0,0004
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
596,3 ± 1,7 ms
spin7/2
nuclear quadrupole moment
−0,145 ± 0,003
vrijeme otkrića ili izuma1941
Parnost-

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

42Sc

Maseni broj42
neutron number21
Relativna atomska masa
41,965516686 ± 0,000000165 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
680,72 ± 0,26 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1955
Parnost+

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

43Sc

Maseni broj43
neutron number22
Relativna atomska masa
42,961150425 ± 0,000001999 Da
g-factor
1,2931428571429 ± 0,0028571428571429
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,891 ± 0,012 h
spin7/2
nuclear quadrupole moment
−0,27 ± 0,05
vrijeme otkrića ili izuma1935
Parnost-

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

44Sc

Maseni broj44
neutron number23
Relativna atomska masa
43,959402818 ± 0,000001884 Da
g-factor
1,249 ± 0,0025
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,0421 ± 0,0025 h
spin2
nuclear quadrupole moment
0,1 ± 0,05
vrijeme otkrića ili izuma1937
Parnost+

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

45Sc

Maseni broj45
neutron number24
Relativna atomska masa
44,955907051 ± 0,000000712 Da
g-factor
1,3582857142857 ± 0,000022857142857143
natural abundance
100
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
−0,22 ± 0,002
vrijeme otkrića ili izuma1923
Parnost-

46Sc

Maseni broj46
neutron number25
Relativna atomska masa
45,955167034 ± 0,00000072 Da
g-factor
0,76 ± 0,002
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
83,757 ± 0,014 d
spin4
nuclear quadrupole moment
0,119 ± 0,006
vrijeme otkrića ili izuma1936
Parnost+

decay modeintensity
β (β decay)100%

47Sc

Maseni broj47
neutron number26
Relativna atomska masa
46,952402444 ± 0,000002072 Da
g-factor
1,5257142857143 ± 0,0057142857142857
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,3492 ± 0,0006 d
spin7/2
nuclear quadrupole moment
−0,22 ± 0,03
vrijeme otkrića ili izuma1945
Parnost-

decay modeintensity
β (β decay)100%

48Sc

Maseni broj48
neutron number27
Relativna atomska masa
47,952222903 ± 0,000005313 Da
g-factor
0,62283333333333 ± 0,002
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
43,67 ± 0,09 h
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma1937
Parnost+

decay modeintensity
β (β decay)100%

49Sc

Maseni broj49
neutron number28
Relativna atomska masa
48,950013159 ± 0,000002434 Da
g-factor
1,6028571428571 ± 0,0085714285714286
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
57,18 ± 0,13 m
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1940
Parnost-

decay modeintensity
β (β decay)100%

50Sc

Maseni broj50
neutron number29
Relativna atomska masa
49,952187437 ± 0,0000027 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
102,5 ± 0,5 s
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma1959
Parnost+

decay modeintensity
β (β decay)100%

51Sc

Maseni broj51
neutron number30
Relativna atomska masa
50,953568838 ± 0,0000027 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,4 ± 0,1 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1966
Parnost

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

52Sc

Maseni broj52
neutron number31
Relativna atomska masa
51,95649617 ± 0,0000033 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,2 ± 0,2 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1980
Parnost

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

53Sc

Maseni broj53
neutron number32
Relativna atomska masa
52,958379173 ± 0,000019 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,4 ± 0,6 s
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1980
Parnost-

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

54Sc

Maseni broj54
neutron number33
Relativna atomska masa
53,963029359 ± 0,000015 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
526 ± 15 ms
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1990
Parnost

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

55Sc

Maseni broj55
neutron number34
Relativna atomska masa
54,966889637 ± 0,000067 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
96 ± 2 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1990
Parnost

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

56Sc

Maseni broj56
neutron number35
Relativna atomska masa
55,972607611 ± 0,000278761 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26 ± 6 ms
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1997
Parnost+

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

57Sc

Maseni broj57
neutron number36
Relativna atomska masa
56,977048 ± 0,000193 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22 ± 2 ms
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1997
Parnost-

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

58Sc

Maseni broj58
neutron number37
Relativna atomska masa
57,983382 ± 0,000204 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12 ± 5 ms
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1997
Parnost+

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

59Sc

Maseni broj59
neutron number38
Relativna atomska masa
58,988374 ± 0,000268 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2009
Parnost-

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

60Sc

Maseni broj60
neutron number39
Relativna atomska masa
59,995115 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma2009
Parnost+

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

61Sc

Maseni broj61
neutron number40
Relativna atomska masa
61,000537 ± 0,000644 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2009
Parnost-

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

62Sc

Maseni broj62
neutron number41
Relativna atomska masa
62,007848 ± 0,000644 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma2018
Parnost

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

63Sc

Maseni broj63
neutron number42
Relativna atomska masa
63,014031 ± 0,000751 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

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

povijest

otkrio/izumioLars Nilson
location of discoverySweden
vrijeme otkrića ili izuma1879
EtimologijaLatin: Scandia, Scandinavia.
pronunciationSKAN-di-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
0,0000006 mg/L
natural abundance (tijelo)
natural abundance (meteoroid)
0,00064 %
natural abundance (Sunce)
0,000004 %
Zastupljenost u svemiru
0,000003 %

Nuclear Screening Constants

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