Symbol
Sc
Nh
Group Number
313
0
17
👆🏻
Period Number
47
2
7
👆🏻
Block
d block
p block
Element Family
Transition Metal
Probably Post-Transition
CAS Number
744020254084707
7429905
54386242
👆🏻
Space Group Name
P63/mmc
-
Space Group Number
194.00194.00
11
276
👆🏻
Interesting Facts
- Scandium is known as one of the rare earth elements.
- Scandium metal found in rare minerals called Wolframite .
Nihonium is a synthetic chemical element and is highly radioactive.
Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Synthetically Produced
History
Who Discovered
Lars Fredrik Nilson
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Discovery
In 1879
In 2003
Abundance
Abundance In Universe
0.00 %0.00 %
0
0.11
👆🏻
Abundance In Sun
0.00 %-
0
0.1
👆🏻
Abundance In Meteorites
0.00 %-
0
22
👆🏻
Abundance In Earth's Crust
0.00 %-
1E-37
8.1
👆🏻
Abundance In Oceans
0.00 %-
0
1.1
👆🏻
Abundance In Humans
0.00 %-
0
1.4
👆🏻
Uses & Benefits
- Uses of Scandium are limited to research purpose only. However, it has very low density and higher melting point.
-
Its compounds like scandium iodide is used in mercury vapor lamps to produce very bright white light.
- Currently known uses of Ununtrium metal are limited to research purpose only.
Industrial Uses
Electrical Industry, Electronic Industry
-
Medical Uses
-
-
Other Uses
Alloys
Research Purposes
Biological Properties
Toxicity
Non Toxic
-
Present in Human Body
✔
✘
✔
✘
In Blood
0.01 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
👆🏻
In Bone
0.00 p.p.m.0.20 p.p.m.
0
170000
👆🏻
Melting Point
1,539.00 °C430.00 °C
-38.83
3410
👆🏻
Boiling Point
2,832.00 °C1,130.00 °C
0
5660
👆🏻
Appearance
Physical State
Solid
Solid
Color
Silvery White
-
Luster
Lustrous
Unknown Luster
Hardness
Mohs Hardness
5.50-
0.2
8.5
👆🏻
Brinell Hardness
750.00 MPa600.00 MPa
0.14
3490
👆🏻
Vickers Hardness
1,200.00 MPa350.00 MPa
0
3920
👆🏻
Speed of Sound
6,100.00 m/s3,600.00 m/s
818
16200
👆🏻
Optical Properties
Refractive Index
1.801.30
0.155
3.41
👆🏻
Reflectivity
93.00 %60.00 %
5
97
👆🏻
Allotropes
✔
✘
✔
✘
α Allotropes
-
-
β Allotropes
-
-
γ Allotropes
-
-
Chemical Formula
Sc
Nh
Isotopes
Known Isotopes
137
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.361.30
0
2.6
👆🏻
Sanderson Electronegativity
1.021.90
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.201.30
0.86
1.9
👆🏻
Mulliken-Jaffe Electronegativity
1.361.00
0.62
2.48
👆🏻
Allen Electronegativity
1.190.70
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.642.20
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
633.10 kJ/mol704.90 kJ/mol
375.7
26130
👆🏻
2nd Energy Level
1,235.00 kJ/mol2,238.50 kJ/mol
392.8
28750
👆🏻
3rd Energy Level
2,388.60 kJ/mol3,023.30 kJ/mol
392.8
34230
👆🏻
4th Energy Level
7,090.60 kJ/mol4,351.50 kJ/mol
375.7
37066
👆🏻
5th Energy Level
8,843.00 kJ/mol5,692.60 kJ/mol
392
97510
👆🏻
6th Energy Level
10,679.00 kJ/mol7,000.00 kJ/mol
1007
105800
👆🏻
7th Energy level
13,310.00 kJ/mol7,040.00 kJ/mol
1007
114300
👆🏻
8th Energy Level
15,250.00 kJ/mol7,040.00 kJ/mol
730
125300
👆🏻
9th Energy Level
17,370.00 kJ/mol7,040.00 kJ/mol
1007
134700
👆🏻
10th Energy Level
21,726.00 kJ/mol7,040.00 kJ/mol
392
144300
👆🏻
11th Energy Level
24,102.00 kJ/mol7,040.00 kJ/mol
392
169988
👆🏻
12th Energy Level
66,320.00 kJ/mol70,000.00 kJ/mol
0
189368
👆🏻
13th Energy Level
73,010.00 kJ/mol7,000.00 kJ/mol
1007
76015
👆🏻
14th Energy Level
80,160.00 kJ/mol7,000.00 kJ/mol
380
86450
👆🏻
15th Energy Level
89,490.00 kJ/mol70,000.00 kJ/mol
33000
100700
👆🏻
16th Energy Level
97,400.00 kJ/mol70,000.00 kJ/mol
375.7
109480
👆🏻
17th Energy Level
105,600.00 kJ/mol540.00 kJ/mol
375.7
122200
👆🏻
18th Energy Level
117,000.00 kJ/mol3,200.00 kJ/mol
0
134810
👆🏻
19th Energy Level
124,270.00 kJ/mol540.20 kJ/mol
375.7
148700
👆🏻
20th Energy Level
633.00 kJ/mol700.00 kJ/mol
0
171200
👆🏻
21st Energy Level
633.10 kJ/mol1,130.00 kJ/mol
375.7
179100
👆🏻
22nd Energy Level
633.00 kJ/mol558.00 kJ/mol
330
184900
👆🏻
23rd Energy Level
633.10 kJ/mol7,000.00 kJ/mol
357.6
198800
👆🏻
24th Energy Level
633.10 kJ/mol700.00 kJ/mol
297.3
195200
👆🏻
25th Energy Level
633.00 kJ/mol0.00 kJ/mol
0
121900
👆🏻
26th Energy Level
633.10 kJ/mol586.20 kJ/mol
357.6
127700
👆🏻
27th Energy Level
633.10 kJ/mol704.90 kJ/mol
0
133800
👆🏻
28th Energy Level
633.10 kJ/mol704.90 kJ/mol
297.3
139800
👆🏻
29th Energy Level
633.10 kJ/mol704.90 kJ/mol
0
148100
👆🏻
30th Energy Level
633.00 kJ/mol704.00 kJ/mol
0
154500
👆🏻
Electrochemical Equivalent
0.56 g/amp-hr3.00 g/amp-hr
0.16812
8.3209
👆🏻
Electron Work Function
3.50 eV4.90 eV
2.14
6
👆🏻
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Ionization
Atomic Number
21113
3
117
👆🏻
Electron Configuration
[Ar] 3d1 4s2
[Rn] 5f14 6d10 7s2 7p1
Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
Crystal Lattice
Atom
Number of Protons
21113
3
117
👆🏻
Number of Neutrons
24150
4
285
👆🏻
Number of Electrons
21113
3
117
👆🏻
Radius of an Atom
Atomic Radius
162.00 pm170.00 pm
0
348
👆🏻
Covalent Radius
170.00 pm170.00 pm
0
260
👆🏻
Van der Waals Radius
211.00 pm320.00 pm
0
348
👆🏻
Atomic Weight
44.96 amu286.00 amu
6.94
294
👆🏻
Atomic Volume
15.00 cm3/mol21.10 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
58.00 (-eV)6.20 (-eV)
0
392.42
👆🏻
Lattice Constant
330.90 pm0.00 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, 2 π/3
-
Lattice C/A Ratio
1.591.58
0.423
1.9
👆🏻
Density
Density At Room Temperature
2.99 g/cm316.00 g/cm3
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
2.80 g/cm316.00 g/cm3
0.512
41
👆🏻
Tensile Strength
150.00 MPa80.00 MPa
0.1
11000
👆🏻
Viscosity
0.000.00
1.5E-05
0.0035
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Vapor Pressure at 2000 K
91.30 (Pa)0.00 (Pa)
0
774
👆🏻
Elasticity properties
Shear Modulus
29.10 GPa40.00 GPa
1.3
222
👆🏻
Bulk Modulus
56.60 GPa0.00 GPa
0
462
👆🏻
Young's Modulus
74.40 GPa12.20 GPa
0
528
👆🏻
Poisson Ratio
0.280.30
0.032
0.47
👆🏻
Other Mechanical Properties
-
-
Magnetic Characteristics
Specific Gravity
2.9916.00
0.53
4500
👆🏻
Magnetic Ordering
Paramagnetic
-
Permeability
0.00 H/m0.00 H/m
1.25643E-06
0.0063
👆🏻
Susceptibility
0.000.00
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
Conductor
-
Resistivity
562.00 nΩ·m0.32 nΩ·m
0.1
961
👆🏻
Electrical Conductivity
0.02 106/cm Ω0.00 106/cm Ω
0
0.63
👆🏻
Electron Affinity
18.10 kJ/mol0.00 kJ/mol
0
222.8
👆🏻
Specific Heat
0.60 J/(kg K)0.12 J/(kg K)
0.1
3.6
👆🏻
Molar Heat Capacity
25.52 J/mol·K27.00 J/mol·K
13.1
62.7
👆🏻
Thermal Conductivity
15.80 W/m·K1.70 W/m·K
0
429
👆🏻
Critical Temperature
1,814.00 K700.00 K
26.3
3695
👆🏻
Thermal Expansion
10.20 µm/(m·K)6.20 µm/(m·K)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
314.20 kJ/mol410.80 kJ/mol
7.32
799.1
👆🏻
Enthalpy of Fusion
14.10 kJ/mol-
2.1
35.23
👆🏻
Enthalpy of Atomization
343.00 kJ/mol320.70 kJ/mol
61.5
837
👆🏻
Standard Molar Entropy
34.60 J/mol.K65.00 J/mol.K
9.5
198.1
👆🏻