Skandium, ²Scandiumi

Skandium, ²Scandiumi (Sc)

chemical element with symbol Sc and atomic number 21
Atomic Number21
Atomic Weight44.955908
Numri i masës45
Group3
Period4
Blockd
protoni21 p+
neutroni24 n0
elektroni21 e-
Animated Bohr model of Sc (Skandium, ²Scandiumi)

Tipar Fizik

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: Skandium, ²Scandiumi020406080100120140160180200220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
914 kJ/mol
electron affinity
ionization energy
6,56149 eV/particle
ionization energy of Sc (Skandium, ²Scandiumi)
enthalpy of vaporization
332,7 kJ/mol
enthalpy of fusion
15,8 kJ/mol
standard enthalpy of formation
377,8 kJ/mol
elektroni
electron shell2, 8, 9, 2
Bohr model: Sc (Skandium, ²Scandiumi)
valence electron2
Lewis structure: Sc (Skandium, ²Scandiumi)
konfigurimi i elektronit[Ar] 3d1 4s2
1s2 2s2 2p6 3s2 3p6 3d1 4s2
Enhanced Bohr model of Sc (Skandium, ²Scandiumi)
Orbital Diagram of Sc (Skandium, ²Scandiumi)
oxidation number0, 1, 2, 3
Elektronegativiteti
1.36
Electrophilicity Index
0,8934589851890408 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
3 109,15 K
Melting Point
1 814,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
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
Superpërcjellshmëria
0,05 K
Magnetizimi
typeparamagnetic
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
strukturë
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
Shpejtësia e zërit
klasifikim
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
numër kuantik2D3/2
space group194 (P63/mmc)

Isotopes of Scandium

Stable Isotopes1
Unstable Isotopes28
Natural Isotopes1

35Sc

Numri i masës35
numri i neutroneve14
relative atomic mass
35,029093 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
p (proton emission)

36Sc

Numri i masës36
numri i neutroneve15
relative atomic mass
36,017338 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

decay modeintensitet
p (proton emission)

37Sc

Numri i masës37
numri i neutroneve16
relative atomic mass
37,004058 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
p (proton emission)

38Sc

Numri i masës38
numri i neutroneve17
relative atomic mass
37,995438 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

decay modeintensitet
p (proton emission)

39Sc

Numri i masës39
numri i neutroneve18
relative atomic mass
38,984784953 ± 0,000025765 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1988
parity-

decay modeintensitet
p (proton emission)100%

40Sc

Numri i masës40
numri i neutroneve19
relative atomic mass
39,977967275 ± 0,000003036 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
182,3 ± 0,7 ms
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1955
parity-

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

41Sc

Numri i masës41
numri i neutroneve20
relative atomic mass
40,969251163 ± 0,000000083 Da
g-factor
1,5509428571429 ± 0,0004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
596,3 ± 1,7 ms
Spini7/2
nuclear quadrupole moment
-0,145 ± 0,003
koha e zbulimit apo shpikjes1941
parity-

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

42Sc

Numri i masës42
numri i neutroneve21
relative atomic mass
41,965516686 ± 0,000000165 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
680,72 ± 0,26 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1955
parity+

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

43Sc

Numri i masës43
numri i neutroneve22
relative atomic mass
42,961150425 ± 0,000001999 Da
g-factor
1,2931428571429 ± 0,0028571428571429
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,891 ± 0,012 h
Spini7/2
nuclear quadrupole moment
-0,27 ± 0,05
koha e zbulimit apo shpikjes1935
parity-

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

44Sc

Numri i masës44
numri i neutroneve23
relative atomic mass
43,959402818 ± 0,000001884 Da
g-factor
1,249 ± 0,0025
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,0421 ± 0,0025 h
Spini2
nuclear quadrupole moment
0,1 ± 0,05
koha e zbulimit apo shpikjes1937
parity+

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

45Sc

Numri i masës45
numri i neutroneve24
relative atomic mass
44,955907051 ± 0,000000712 Da
g-factor
1,3582857142857 ± 0,000022857142857143
natural abundance
100
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini7/2
nuclear quadrupole moment
-0,22 ± 0,002
koha e zbulimit apo shpikjes1923
parity-

46Sc

Numri i masës46
numri i neutroneve25
relative atomic mass
45,955167034 ± 0,00000072 Da
g-factor
0,76 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
83,757 ± 0,014 d
Spini4
nuclear quadrupole moment
0,119 ± 0,006
koha e zbulimit apo shpikjes1936
parity+

decay modeintensitet
β (β decay)100%

47Sc

Numri i masës47
numri i neutroneve26
relative atomic mass
46,952402444 ± 0,000002072 Da
g-factor
1,5257142857143 ± 0,0057142857142857
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,3492 ± 0,0006 d
Spini7/2
nuclear quadrupole moment
-0,22 ± 0,03
koha e zbulimit apo shpikjes1945
parity-

decay modeintensitet
β (β decay)100%

48Sc

Numri i masës48
numri i neutroneve27
relative atomic mass
47,952222903 ± 0,000005313 Da
g-factor
0,62283333333333 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
43,67 ± 0,09 h
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1937
parity+

decay modeintensitet
β (β decay)100%

49Sc

Numri i masës49
numri i neutroneve28
relative atomic mass
48,950013159 ± 0,000002434 Da
g-factor
1,6028571428571 ± 0,0085714285714286
natural abundance
Radioaktivitet☢️ radioactive element
half-life
57,18 ± 0,13 m
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1940
parity-

decay modeintensitet
β (β decay)100%

50Sc

Numri i masës50
numri i neutroneve29
relative atomic mass
49,952187437 ± 0,0000027 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
102,5 ± 0,5 s
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1959
parity+

decay modeintensitet
β (β decay)100%

51Sc

Numri i masës51
numri i neutroneve30
relative atomic mass
50,953568838 ± 0,0000027 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12,4 ± 0,1 s
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1966
parity

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

52Sc

Numri i masës52
numri i neutroneve31
relative atomic mass
51,95649617 ± 0,0000033 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,2 ± 0,2 s
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1980
parity

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

53Sc

Numri i masës53
numri i neutroneve32
relative atomic mass
52,958379173 ± 0,000019 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,4 ± 0,6 s
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1980
parity-

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

54Sc

Numri i masës54
numri i neutroneve33
relative atomic mass
53,963029359 ± 0,000015 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
526 ± 15 ms
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1990
parity

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

55Sc

Numri i masës55
numri i neutroneve34
relative atomic mass
54,966889637 ± 0,000067 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
96 ± 2 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1990
parity

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

56Sc

Numri i masës56
numri i neutroneve35
relative atomic mass
55,972607611 ± 0,000278761 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
26 ± 6 ms
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1997
parity+

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

57Sc

Numri i masës57
numri i neutroneve36
relative atomic mass
56,977048 ± 0,000193 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
22 ± 2 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1997
parity-

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

58Sc

Numri i masës58
numri i neutroneve37
relative atomic mass
57,983382 ± 0,000204 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12 ± 5 ms
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1997
parity+

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

59Sc

Numri i masës59
numri i neutroneve38
relative atomic mass
58,988374 ± 0,000268 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2009
parity-

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

60Sc

Numri i masës60
numri i neutroneve39
relative atomic mass
59,995115 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes2009
parity+

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

61Sc

Numri i masës61
numri i neutroneve40
relative atomic mass
61,000537 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2009
parity-

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

62Sc

Numri i masës62
numri i neutroneve41
relative atomic mass
62,007848 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity

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

63Sc

Numri i masës63
numri i neutroneve42
relative atomic mass
63,014031 ± 0,000751 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

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

historia

zbuluesLars Nilson
vendndodhja e zbulimitSweden
koha e zbulimit apo shpikjes1879
EtimologjiaLatin: Scandia, Scandinavia.
pronunciationSKAN-di-em (anglisht)

burim

Abundance
Abundance in Earth's crust
natural abundance (Oqeani)
0,0000006 mg/L
natural abundance (Trupi i njeriut)
natural abundance (meteoroid)
0,00064 %
natural abundance (Diell)
0,000004 %
Abundance in Universe
0,000003 %

Nuclear Screening Constants

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