Skandij[um]

Skandij[um] (Sc)

hemijski element sa simbolom Sc i atomskim brojem 21
Atomic Number21
Atomic Weight44.955908
Maseni broj45
Group3
Period4
Blockd
Proton21 p+
Neutron24 n0
Elektron21 e-
Animated Bohrov model atoma of Sc (Skandij[um])

Physical Property

Atomski Radijus
160 pm
Molarni volumen
covalent radius
148 pm
Metallic Radius
144 pm
Ionski radijus
74,5 pm
Crystal Radius
88,5 pm
Van der Waalsov radijus
215 pm
gustoća
2,99 g/cm³
Atomic Radii Of The Elements: Skandij[um]0102030405060708090100110120130140150160170180190200210220pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
914 kJ/mol
electron affinity
ionization energy
6,56149 eV/particle
ionization energy of Sc (Skandij[um])
Toplota isparavanja
332,7 kJ/mol
toplota topljenja
15,8 kJ/mol
standard enthalpy of formation
377,8 kJ/mol
Elektron
electron shell2, 8, 9, 2
Bohrov model atoma: Sc (Skandij[um])
Valentni elektron2
Lewis structure: Sc (Skandij[um])
electron configuration[Ar] 3d1 4s2
1s2 2s2 2p6 3s2 3p6 3d1 4s2
Enhanced Bohrov model atoma of Sc (Skandij[um])
Orbital Diagram of Sc (Skandij[um])
oksidacijsko stanje0, 1, 2, 3
Elektronegativnost
1.36
Electrophilicity Index
0,8934589851890408 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
3.109,15 K
Melting Point
1.814,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Silver
appearancesilvery white
Indeks prelamanja
thermodynamic material property
Thermal Conductivity
15,8 W/(m K)
thermal expansion
0,0000102 1/K
molar heat capacity
25,52 J/(mol K)
Specific Heat Capacity
0,568 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Specifična električna provodljivost
1,8 MS/m
electrical resistivity
0,00000055 m Ω
Superprovodljivost
0,05 K
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,000000088 m³/Kg
magnetic susceptibility (Molar)
0,000000003956 m³/mol
magnetic susceptibility (Volume)
0,0002627
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureSimple Hexagonal (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
Young's modulus
74 GPa
Poisson's ratio
0,28
Brzina zvuka
klasifikacija
CategoryTransition metals, 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
Neutron cross section
27,2
Neutron Mass Absorption
0,025
Kvantni brojevi2D3/2
space group194 (P63/mmc)

Isotopes of Scandium

Stable Isotopes1
Unstable Isotopes28
Natural Isotopes1

35Sc

Maseni broj35
broj neutrona14
relative atomic mass
35,029093 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića
parity-

decay modeintensity
p (proton emission)

36Sc

Maseni broj36
broj neutrona15
relative atomic mass
36,017338 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića
parity

decay modeintensity
p (proton emission)

37Sc

Maseni broj37
broj neutrona16
relative atomic mass
37,004058 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića
parity-

decay modeintensity
p (proton emission)

38Sc

Maseni broj38
broj neutrona17
relative atomic mass
37,995438 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin2
nuclear quadrupole moment
datum otkrića
parity-

decay modeintensity
p (proton emission)

39Sc

Maseni broj39
broj neutrona18
relative atomic mass
38,984784953 ± 0,000025765 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića1988
parity-

decay modeintensity
p (proton emission)100%

40Sc

Maseni broj40
broj neutrona19
relative atomic mass
39,977967275 ± 0,000003036 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
182,3 ± 0,7 ms
spin4
nuclear quadrupole moment
datum otkrića1955
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

Maseni broj41
broj neutrona20
relative atomic mass
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
datum otkrića1941
parity-

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

42Sc

Maseni broj42
broj neutrona21
relative atomic mass
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
datum otkrića1955
parity+

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

43Sc

Maseni broj43
broj neutrona22
relative atomic mass
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
datum otkrića1935
parity-

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

44Sc

Maseni broj44
broj neutrona23
relative atomic mass
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
datum otkrića1937
parity+

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

45Sc

Maseni broj45
broj neutrona24
relative atomic mass
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
datum otkrića1923
parity-

46Sc

Maseni broj46
broj neutrona25
relative atomic mass
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
datum otkrića1936
parity+

decay modeintensity
β (β decay)100%

47Sc

Maseni broj47
broj neutrona26
relative atomic mass
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
datum otkrića1945
parity-

decay modeintensity
β (β decay)100%

48Sc

Maseni broj48
broj neutrona27
relative atomic mass
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
datum otkrića1937
parity+

decay modeintensity
β (β decay)100%

49Sc

Maseni broj49
broj neutrona28
relative atomic mass
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
datum otkrića1940
parity-

decay modeintensity
β (β decay)100%

50Sc

Maseni broj50
broj neutrona29
relative atomic mass
49,952187437 ± 0,0000027 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
102,5 ± 0,5 s
spin5
nuclear quadrupole moment
datum otkrića1959
parity+

decay modeintensity
β (β decay)100%

51Sc

Maseni broj51
broj neutrona30
relative atomic mass
50,953568838 ± 0,0000027 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,4 ± 0,1 s
spin7/2
nuclear quadrupole moment
datum otkrića1966
parity

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

52Sc

Maseni broj52
broj neutrona31
relative atomic mass
51,95649617 ± 0,0000033 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,2 ± 0,2 s
spin3
nuclear quadrupole moment
datum otkrića1980
parity

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

53Sc

Maseni broj53
broj neutrona32
relative atomic mass
52,958379173 ± 0,000019 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,4 ± 0,6 s
spin7/2
nuclear quadrupole moment
datum otkrića1980
parity-

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

54Sc

Maseni broj54
broj neutrona33
relative atomic mass
53,963029359 ± 0,000015 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
526 ± 15 ms
spin3
nuclear quadrupole moment
datum otkrića1990
parity

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

55Sc

Maseni broj55
broj neutrona34
relative atomic mass
54,966889637 ± 0,000067 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
96 ± 2 ms
spin7/2
nuclear quadrupole moment
datum otkrića1990
parity

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

56Sc

Maseni broj56
broj neutrona35
relative atomic mass
55,972607611 ± 0,000278761 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26 ± 6 ms
spin1
nuclear quadrupole moment
datum otkrića1997
parity+

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

57Sc

Maseni broj57
broj neutrona36
relative atomic mass
56,977048 ± 0,000193 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22 ± 2 ms
spin7/2
nuclear quadrupole moment
datum otkrića1997
parity-

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

58Sc

Maseni broj58
broj neutrona37
relative atomic mass
57,983382 ± 0,000204 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12 ± 5 ms
spin3
nuclear quadrupole moment
datum otkrića1997
parity+

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

59Sc

Maseni broj59
broj neutrona38
relative atomic mass
58,988374 ± 0,000268 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića2009
parity-

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

60Sc

Maseni broj60
broj neutrona39
relative atomic mass
59,995115 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3
nuclear quadrupole moment
datum otkrića2009
parity+

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

61Sc

Maseni broj61
broj neutrona40
relative atomic mass
61,000537 ± 0,000644 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića2009
parity-

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

62Sc

Maseni broj62
broj neutrona41
relative atomic mass
62,007848 ± 0,000644 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića2018
parity

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

63Sc

Maseni broj63
broj neutrona42
relative atomic mass
63,014031 ± 0,000751 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
datum otkrića
parity-

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

historija

otkrivač ili izumiteljLars Nilson
mjesto otkrićaSweden
datum otkrića1879
EtimologijaLatin: Scandia, Scandinavia.
pronunciationSKAN-di-em (engleski)

izvor

Abundance
Abundance in Earth's crust
natural abundance (okean)
0,0000006 mg/L
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)
0,00064 %
natural abundance (Sunce)
0,000004 %
Abundance in Universe
0,000003 %

Nuclear Screening Constants

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