Skandiyûm

Skandiyûm (Sc)

chemical element with symbol Sc and atomic number 21
Atomic Number21
Atomic Weight44.955908
Hejmara baristeyî45
Group3
Period4
Blockd
Proton21 p+
Notron24 n0
Kareva21 e-
Animated Bohr model of Sc (Skandiyûm)

Physical Property

Atomic Radius
160 pm
molar volume
Covalent Radius
148 pm
Metallic Radius
144 pm
ionic radius
74,5 pm
Crystal Radius
88,5 pm
Van der Waals radius
215 pm
density
2,99 g/cm³
Atomic Radii Of The Elements: Skandiyûm020406080100120140160180200220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
914 kJ/mol
electron affinity
ionization energy
6,56149 eV/particle
ionization energy of Sc (Skandiyûm)
enthalpy of vaporization
332,7 kJ/mol
enthalpy of fusion
15,8 kJ/mol
standard enthalpy of formation
377,8 kJ/mol
Kareva
electron shell2, 8, 9, 2
Bohr model: Sc (Skandiyûm)
valence electron2
Lewis structure: Sc (Skandiyûm)
electron configuration[Ar] 3d1 4s2
1s2 2s2 2p6 3s2 3p6 3d1 4s2
Enhanced Bohr model of Sc (Skandiyûm)
Orbital Diagram of Sc (Skandiyûm)
oxidation number0, 1, 2, 3
electronegativity
1.36
Electrophilicity Index
0,8934589851890408 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3.109,15 K
Melting Point
1.814,15 K
critical pressure
critical temperature
triple point
appearance
color
Silver
appearancesilvery white
refractive index
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
electrical conductivity
1,8 MS/m
electrical resistivity
0,00000055 m Ω
superconductivity
0,05 K
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,000000088 m³/Kg
magnetic susceptibility (Molar)
0,000000003956 m³/mol
magnetic susceptibility (Volume)
0,0002627
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,31 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
57 GPa
shear modulus
29 GPa
Young's modulus
74 GPa
Poisson's ratio
0,28
Leza dengê
classification
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
quantum number2D3/2
space group194 (P63/mmc)

Isotopes of Scandium

Stable Isotopes1
Unstable Isotopes28
Natural Isotopes1

35Sc

Hejmara baristeyî35
neutron number14
Giraniya atomê
35,029093 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
p (proton emission)

36Sc

Hejmara baristeyî36
neutron number15
Giraniya atomê
36,017338 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity

decay modeintensity
p (proton emission)

37Sc

Hejmara baristeyî37
neutron number16
Giraniya atomê
37,004058 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
p (proton emission)

38Sc

Hejmara baristeyî38
neutron number17
Giraniya atomê
37,995438 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
p (proton emission)

39Sc

Hejmara baristeyî39
neutron number18
Giraniya atomê
38,984784953 ± 0,000025765 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1988
parity-

decay modeintensity
p (proton emission)100%

40Sc

Hejmara baristeyî40
neutron number19
Giraniya atomê
39,977967275 ± 0,000003036 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
182,3 ± 0,7 ms
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê1955
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

Hejmara baristeyî41
neutron number20
Giraniya atomê
40,969251163 ± 0,000000083 Da
g-factor
1,5509428571429 ± 0,0004
natural abundance
radioactivity☢️ radioactive element
half-life
596,3 ± 1,7 ms
spin7/2
nuclear quadrupole moment
-0,145 ± 0,003
dema îcadkirinê yan keşfê1941
parity-

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

42Sc

Hejmara baristeyî42
neutron number21
Giraniya atomê
41,965516686 ± 0,000000165 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
680,72 ± 0,26 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1955
parity+

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

43Sc

Hejmara baristeyî43
neutron number22
Giraniya atomê
42,961150425 ± 0,000001999 Da
g-factor
1,2931428571429 ± 0,0028571428571429
natural abundance
radioactivity☢️ radioactive element
half-life
3,891 ± 0,012 h
spin7/2
nuclear quadrupole moment
-0,27 ± 0,05
dema îcadkirinê yan keşfê1935
parity-

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

44Sc

Hejmara baristeyî44
neutron number23
Giraniya atomê
43,959402818 ± 0,000001884 Da
g-factor
1,249 ± 0,0025
natural abundance
radioactivity☢️ radioactive element
half-life
4,0421 ± 0,0025 h
spin2
nuclear quadrupole moment
0,1 ± 0,05
dema îcadkirinê yan keşfê1937
parity+

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

45Sc

Hejmara baristeyî45
neutron number24
Giraniya atomê
44,955907051 ± 0,000000712 Da
g-factor
1,3582857142857 ± 0,000022857142857143
natural abundance
100
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
-0,22 ± 0,002
dema îcadkirinê yan keşfê1923
parity-

46Sc

Hejmara baristeyî46
neutron number25
Giraniya atomê
45,955167034 ± 0,00000072 Da
g-factor
0,76 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
83,757 ± 0,014 d
spin4
nuclear quadrupole moment
0,119 ± 0,006
dema îcadkirinê yan keşfê1936
parity+

decay modeintensity
β (β decay)100%

47Sc

Hejmara baristeyî47
neutron number26
Giraniya atomê
46,952402444 ± 0,000002072 Da
g-factor
1,5257142857143 ± 0,0057142857142857
natural abundance
radioactivity☢️ radioactive element
half-life
3,3492 ± 0,0006 d
spin7/2
nuclear quadrupole moment
-0,22 ± 0,03
dema îcadkirinê yan keşfê1945
parity-

decay modeintensity
β (β decay)100%

48Sc

Hejmara baristeyî48
neutron number27
Giraniya atomê
47,952222903 ± 0,000005313 Da
g-factor
0,62283333333333 ± 0,002
natural abundance
radioactivity☢️ radioactive element
half-life
43,67 ± 0,09 h
spin6
nuclear quadrupole moment
dema îcadkirinê yan keşfê1937
parity+

decay modeintensity
β (β decay)100%

49Sc

Hejmara baristeyî49
neutron number28
Giraniya atomê
48,950013159 ± 0,000002434 Da
g-factor
1,6028571428571 ± 0,0085714285714286
natural abundance
radioactivity☢️ radioactive element
half-life
57,18 ± 0,13 m
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1940
parity-

decay modeintensity
β (β decay)100%

50Sc

Hejmara baristeyî50
neutron number29
Giraniya atomê
49,952187437 ± 0,0000027 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
102,5 ± 0,5 s
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1959
parity+

decay modeintensity
β (β decay)100%

51Sc

Hejmara baristeyî51
neutron number30
Giraniya atomê
50,953568838 ± 0,0000027 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12,4 ± 0,1 s
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1966
parity

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

52Sc

Hejmara baristeyî52
neutron number31
Giraniya atomê
51,95649617 ± 0,0000033 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,2 ± 0,2 s
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1980
parity

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

53Sc

Hejmara baristeyî53
neutron number32
Giraniya atomê
52,958379173 ± 0,000019 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,4 ± 0,6 s
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1980
parity-

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

54Sc

Hejmara baristeyî54
neutron number33
Giraniya atomê
53,963029359 ± 0,000015 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
526 ± 15 ms
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1990
parity

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

55Sc

Hejmara baristeyî55
neutron number34
Giraniya atomê
54,966889637 ± 0,000067 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
96 ± 2 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1990
parity

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

56Sc

Hejmara baristeyî56
neutron number35
Giraniya atomê
55,972607611 ± 0,000278761 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
26 ± 6 ms
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity+

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

57Sc

Hejmara baristeyî57
neutron number36
Giraniya atomê
56,977048 ± 0,000193 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
22 ± 2 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity-

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

58Sc

Hejmara baristeyî58
neutron number37
Giraniya atomê
57,983382 ± 0,000204 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12 ± 5 ms
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity+

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

59Sc

Hejmara baristeyî59
neutron number38
Giraniya atomê
58,988374 ± 0,000268 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2009
parity-

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

60Sc

Hejmara baristeyî60
neutron number39
Giraniya atomê
59,995115 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê2009
parity+

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

61Sc

Hejmara baristeyî61
neutron number40
Giraniya atomê
61,000537 ± 0,000644 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2009
parity-

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

62Sc

Hejmara baristeyî62
neutron number41
Giraniya atomê
62,007848 ± 0,000644 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê2018
parity

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

63Sc

Hejmara baristeyî63
neutron number42
Giraniya atomê
63,014031 ± 0,000751 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

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

dîrok

kaşîf an îcadkerLars Nilson
location of discoverySweden
dema îcadkirinê yan keşfê1879
BêjenasîLatin: Scandia, Scandinavia.
pronunciationSKAN-di-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
natural abundance (Okyanûs)
0,0000006 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,00064 %
natural abundance (Roj)
0,000004 %
Abundance in Universe
0,000003 %

Nuclear Screening Constants

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