Скандий

Скандий (Sc)

chemical element with symbol Sc and atomic number 21
Atomic Number21
Atomic Weight44.955908
Адади массавӣ45
Group3
Period4
Blockd
proton21 p+
neutron24 n0
electron21 e-
Animated Bohr model of Sc (Скандий)

Хусусияти Физикӣ

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
зичӣ
2,99 g/cm³
Atomic Radii Of The Elements: Скандий0102030405060708090100110120130140150160170180190200210220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
914 kJ/mol
electron affinity
ionization energy
6,56149 eV/particle
ionization energy of Sc (Скандий)
enthalpy of vaporization
332,7 kJ/mol
гармои гудозиш
15,8 kJ/mol
standard enthalpy of formation
377,8 kJ/mol
electron
Абри электронӣ2, 8, 9, 2
Bohr model: Sc (Скандий)
valence electron2
Lewis structure: Sc (Скандий)
electron configuration[Ar] 3d1 4s2
1s2 2s2 2p6 3s2 3p6 3d1 4s2
Enhanced Bohr model of Sc (Скандий)
Orbital Diagram of Sc (Скандий)
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
Ранг
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
heat capacity ratio
electrical properties
навъConductor
electrical conductivity
1,8 MS/m
electrical resistivity
0,00000055 m Ω
superconductivity
0,05 K
magnetism
навъparamagnetic
magnetic susceptibility (Mass)
0,000000088 m³/Kg
magnetic susceptibility (Molar)
0,000000003956 m³/mol
magnetic susceptibility (Volume)
0,0002627
magnetic ordering
Curie temperature
Néel temperature
сохт
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
speed of sound
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
ададҳои квантӣ2D3/2
space group194 (P63/mmc)

Isotopes of Scandium

Stable Isotopes1
Unstable Isotopes28
Natural Isotopes1

35Sc

Адади массавӣ35
neutron number14
relative atomic mass
35,029093 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
таърихи кашф
parity-

decay modeintensity
p (proton emission)

36Sc

Адади массавӣ36
neutron number15
relative atomic mass
36,017338 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф
parity

decay modeintensity
p (proton emission)

37Sc

Адади массавӣ37
neutron number16
relative atomic mass
37,004058 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
таърихи кашф
parity-

decay modeintensity
p (proton emission)

38Sc

Адади массавӣ38
neutron number17
relative atomic mass
37,995438 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
таърихи кашф
parity-

decay modeintensity
p (proton emission)

39Sc

Адади массавӣ39
neutron number18
relative atomic mass
38,984784953 ± 0,000025765 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
таърихи кашф1988
parity-

decay modeintensity
p (proton emission)100%

40Sc

Адади массавӣ40
neutron number19
relative atomic mass
39,977967275 ± 0,000003036 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
182,3 ± 0,7 ms
spin4
nuclear quadrupole moment
таърихи кашф1955
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

Адади массавӣ41
neutron number20
relative atomic mass
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
таърихи кашф1941
parity-

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

42Sc

Адади массавӣ42
neutron number21
relative atomic mass
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
таърихи кашф1955
parity+

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

43Sc

Адади массавӣ43
neutron number22
relative atomic mass
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
таърихи кашф1935
parity-

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

44Sc

Адади массавӣ44
neutron number23
relative atomic mass
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
таърихи кашф1937
parity+

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

45Sc

Адади массавӣ45
neutron number24
relative atomic mass
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
таърихи кашф1923
parity-

46Sc

Адади массавӣ46
neutron number25
relative atomic mass
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
таърихи кашф1936
parity+

decay modeintensity
β (β decay)100%

47Sc

Адади массавӣ47
neutron number26
relative atomic mass
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
таърихи кашф1945
parity-

decay modeintensity
β (β decay)100%

48Sc

Адади массавӣ48
neutron number27
relative atomic mass
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
таърихи кашф1937
parity+

decay modeintensity
β (β decay)100%

49Sc

Адади массавӣ49
neutron number28
relative atomic mass
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
таърихи кашф1940
parity-

decay modeintensity
β (β decay)100%

50Sc

Адади массавӣ50
neutron number29
relative atomic mass
49,952187437 ± 0,0000027 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
102,5 ± 0,5 s
spin5
nuclear quadrupole moment
таърихи кашф1959
parity+

decay modeintensity
β (β decay)100%

51Sc

Адади массавӣ51
neutron number30
relative atomic mass
50,953568838 ± 0,0000027 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12,4 ± 0,1 s
spin7/2
nuclear quadrupole moment
таърихи кашф1966
parity

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

52Sc

Адади массавӣ52
neutron number31
relative atomic mass
51,95649617 ± 0,0000033 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,2 ± 0,2 s
spin3
nuclear quadrupole moment
таърихи кашф1980
parity

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

53Sc

Адади массавӣ53
neutron number32
relative atomic mass
52,958379173 ± 0,000019 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,4 ± 0,6 s
spin7/2
nuclear quadrupole moment
таърихи кашф1980
parity-

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

54Sc

Адади массавӣ54
neutron number33
relative atomic mass
53,963029359 ± 0,000015 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
526 ± 15 ms
spin3
nuclear quadrupole moment
таърихи кашф1990
parity

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

55Sc

Адади массавӣ55
neutron number34
relative atomic mass
54,966889637 ± 0,000067 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
96 ± 2 ms
spin7/2
nuclear quadrupole moment
таърихи кашф1990
parity

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

56Sc

Адади массавӣ56
neutron number35
relative atomic mass
55,972607611 ± 0,000278761 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
26 ± 6 ms
spin1
nuclear quadrupole moment
таърихи кашф1997
parity+

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

57Sc

Адади массавӣ57
neutron number36
relative atomic mass
56,977048 ± 0,000193 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
22 ± 2 ms
spin7/2
nuclear quadrupole moment
таърихи кашф1997
parity-

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

58Sc

Адади массавӣ58
neutron number37
relative atomic mass
57,983382 ± 0,000204 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12 ± 5 ms
spin3
nuclear quadrupole moment
таърихи кашф1997
parity+

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

59Sc

Адади массавӣ59
neutron number38
relative atomic mass
58,988374 ± 0,000268 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
таърихи кашф2009
parity-

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

60Sc

Адади массавӣ60
neutron number39
relative atomic mass
59,995115 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3
nuclear quadrupole moment
таърихи кашф2009
parity+

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

61Sc

Адади массавӣ61
neutron number40
relative atomic mass
61,000537 ± 0,000644 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
таърихи кашф2009
parity-

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

62Sc

Адади массавӣ62
neutron number41
relative atomic mass
62,007848 ± 0,000644 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
таърихи кашф2018
parity

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

63Sc

Адади массавӣ63
neutron number42
relative atomic mass
63,014031 ± 0,000751 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
таърихи кашф
parity-

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

таърих

кошифLars Nilson
макони кашфSweden
таърихи кашф1879
РешашиносӣLatin: Scandia, Scandinavia.
pronunciationSKAN-di-em (Англисӣ)

source

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

Nuclear Screening Constants

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