×

Scandium
Scandium

Thorium
Thorium



ADD
Compare
X
Scandium
X
Thorium

Scandium vs Thorium

Add ⊕
Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

Uses

Uses & Benefits

Industrial Uses

Medical Uses

Other Uses

Toxicity

Present in Human Body

In Blood

In Bone

Physical

Melting Point

Boiling Point

Physical State

Color

Luster

Mohs Hardness

Brinell Hardness

Vickers Hardness

Speed of Sound

Refractive Index

Reflectivity

Allotropes

α Allotropes

β Allotropes

γ Allotropes

Chemical

Chemical Formula

Known Isotopes

Pauling Electronegativity

Sanderson Electronegativity

Allred Rochow Electronegativity

Mulliken-Jaffe Electronegativity

Allen Electronegativity

Pauling Electropositivity

1st Energy Level

2nd Energy Level

3rd Energy Level

4th Energy Level

5th Energy Level

6th Energy Level

7th Energy level

8th Energy Level

9th Energy Level

10th Energy Level

11th Energy Level

12th Energy Level

13th Energy Level

14th Energy Level

15th Energy Level

16th Energy Level

17th Energy Level

18th Energy Level

19th Energy Level

20th Energy Level

21st Energy Level

22nd Energy Level

23rd Energy Level

24th Energy Level

25th Energy Level

26th Energy Level

27th Energy Level

28th Energy Level

29th Energy Level

30th Energy Level

Electrochemical Equivalent

Electron Work Function

Other Chemical Properties

Atomic

Atomic Number

Electron Configuration

Crystal Structure

Crystal Lattice

Number of Protons

Number of Neutrons

Number of Electrons

Atomic Radius

Covalent Radius

Van der Waals Radius

Atomic Weight

Atomic Volume

Previous Element

Next Element

Valence Electron Potential

Lattice Constant

Lattice Angles

Lattice C/A Ratio

Mechanical

Density At Room Temperature

Density When Liquid (at m.p.)

Tensile Strength

Viscosity

Vapor Pressure at 1000 K

Vapor Pressure at 2000 K

Shear Modulus

Bulk Modulus

Young's Modulus

Poisson Ratio

Other Mechanical Properties

Magnetic

Specific Gravity

Magnetic Ordering

Permeability

Susceptibility

Electrical Property

Resistivity

Electrical Conductivity

Electron Affinity

Thermal

Specific Heat

Molar Heat Capacity

Thermal Conductivity

Critical Temperature

Thermal Expansion

Enthalpy of Vaporization

Enthalpy of Fusion

Enthalpy of Atomization

Standard Molar Entropy

 
Sc
3
4
d block
Transition Metal
7440202
P63/mmc
194.00
 
  • Scandium is known as one of the rare earth elements.
  • Scandium metal found in rare minerals called Wolframite .
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Lars Fredrik Nilson
In 1879
0.00 %
0.00 %
0.00 %
0.00 %
0.00 %
0.00 %
 
  • 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.
Electrical Industry, Electronic Industry
-
Alloys
Non Toxic
0.01 Blood/mg dm-3
0.00 p.p.m.
 
1,539.00 °C
2,832.00 °C
Solid
Silvery White
Lustrous
5.50
750.00 MPa
1,200.00 MPa
6,100.00 m/s
1.80
93.00 %
-
-
-
 
Sc
13
1.36
1.02
1.20
1.36
1.19
2.64
633.10 kJ/mol
1,235.00 kJ/mol
2,388.60 kJ/mol
7,090.60 kJ/mol
8,843.00 kJ/mol
10,679.00 kJ/mol
13,310.00 kJ/mol
15,250.00 kJ/mol
17,370.00 kJ/mol
21,726.00 kJ/mol
24,102.00 kJ/mol
66,320.00 kJ/mol
73,010.00 kJ/mol
80,160.00 kJ/mol
89,490.00 kJ/mol
97,400.00 kJ/mol
105,600.00 kJ/mol
117,000.00 kJ/mol
124,270.00 kJ/mol
633.00 kJ/mol
633.10 kJ/mol
633.00 kJ/mol
633.10 kJ/mol
633.10 kJ/mol
633.00 kJ/mol
633.10 kJ/mol
633.10 kJ/mol
633.10 kJ/mol
633.10 kJ/mol
633.00 kJ/mol
0.56 g/amp-hr
3.50 eV
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
 
21
[Ar] 3d1 4s2
Hexagonal Close Packed (HCP)
HCP-Crystal-Structure-of-Scandium.jpg#100
21
24
21
162.00 pm
170.00 pm
211.00 pm
44.96 amu
15.00 cm3/mol
12
11
58.00 (-eV)
330.90 pm
π/2, π/2, 2 π/3
1.59
 
2.99 g/cm3
2.80 g/cm3
150.00 MPa
0.00
0.00 (Pa)
91.30 (Pa)
29.10 GPa
56.60 GPa
74.40 GPa
0.28
-
 
2.99
Paramagnetic
0.00 H/m
0.00
Conductor
562.00 nΩ·m
0.02 106/cm Ω
18.10 kJ/mol
 
0.60 J/(kg K)
25.52 J/mol·K
15.80 W/m·K
1,814.00 K
10.20 µm/(m·K)
314.20 kJ/mol
14.10 kJ/mol
343.00 kJ/mol
34.60 J/mol.K
 
Th
0
7
f block
Actinide
7440326
P63/mmc
194.00
 
  • Thorium metal is used as an alternate option over Uranium for nuclear fuel.
  • Thorium metals appearance (silvery white, soft) is somewhat similar to Lead metal.
Found in Minerals, Mining
Jöns Jakob Berzelius
In 1829
0.00 %
0.00 %
0.05 %
0.66 %
0.00 %
0.00 %
 
  • Thorium metal is used as an allying agent for Magnesium, It imparts greater strength and resistance to temperature.
  • compound of this metal Thorium oxide is used as an industrial catalyst.
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Dentistry, Surgical Instruments Manufacturing
Alloys, Jewellery, Sculptures, Statues
Non Toxic
0.00 Blood/mg dm-3
0.02 p.p.m.
 
1,750.00 °C
4,790.00 °C
Solid
Silver
-
3.00
390.00 MPa
295.00 MPa
2,490.00 m/s
1.60
15.00 %
-
-
-
 
Th
28
1.30
1.30
1.11
1.30
1.30
2.70
587.00 kJ/mol
1,110.00 kJ/mol
1,978.00 kJ/mol
2,780.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
5,870.00 kJ/mol
58,700.00 kJ/mol
58,700.00 kJ/mol
587.40 kJ/mol
5,870.00 kJ/mol
587.00 kJ/mol
587.00 kJ/mol
587.00 kJ/mol
587.00 kJ/mol
587.00 kJ/mol
587.00 kJ/mol
587.00 kJ/mol
587.40 kJ/mol
587.40 kJ/mol
587.40 kJ/mol
587.00 kJ/mol
587.40 kJ/mol
2.16 g/amp-hr
3.41 eV
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
 
90
[Rn] 6d2 7s2
Face Centered Cubic (FCC)
FCC-Crystal-Structure-of-Thorium.jpg#100
90
142
90
179.80 pm
206.00 pm
237.00 pm
232.04 amu
19.90 cm3/mol
53
85
59.30 (-eV)
508.42 pm
π/2, π/2, π/2
1.10
 
11.72 g/cm3
11.72 g/cm3
75.00 MPa
0.00
0.00 (Pa)
0.00 (Pa)
31.00 GPa
54.00 GPa
79.00 GPa
0.27
Ductile
 
11.70
Paramagnetic
0.00 H/m
0.00
Superconductor
157.00 nΩ·m
0.07 106/cm Ω
0.00 kJ/mol
 
0.12 J/(kg K)
26.23 J/mol·K
54.00 W/m·K
2,023.00 K
11.00 µm/(m·K)
429.00 kJ/mol
15.48 kJ/mol
468.60 kJ/mol
27.30 J/mol.K