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Terbium vs Zinc


Zinc vs Terbium


Periodic Table

Symbol
Tb  
Zn  

Group Number
3  
15
12  
6

Period Number
6  
4  

Block
f block  
d block  

Element Family
Lanthanide  
Transition Metal  

CAS Number
7440279  
99+
7440666  
24

Space Group Name
P63/mmc  
P63/mmc  

Space Group Number
194.00  
7
194.00  
7

Facts

Interesting Facts
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  

Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
Carl Gustaf Mosander  
Indian metallurgists  

Discovery
In 1842  
Before 1000 BCE  

Abundance
  
  

Abundance In Universe
0.00 %  
28
0.00 %  
12

Abundance In Sun
0.00 %  
29
0.00 %  
10

Abundance In Meteorites
0.00 %  
99+
0.02 %  
12

Abundance In Earth's Crust
0.00 %  
40
0.01 %  
16

Abundance In Oceans
0.00 %  
99+
0.00 %  
10

Abundance In Humans
0.00 %  
24
0.00 %  
7

Uses

Uses & Benefits
  • Terbium salts are used in optical devices like laser devices.
  • Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
  
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  

Industrial Uses
Electronic Industry  
Electrical Industry, Electronic Industry  

Medical Uses
-  
Pharmaceutical Industry  

Other Uses
Alloys  
Alloys  

Biological Properties
  
  

Toxicity
Low Toxic  
Highly Toxic  

Present in Human Body
No  
Yes  

In Blood
0.00 Blood/mg dm-3  
37
7.00 Blood/mg dm-3  
6

In Bone
0.00 p.p.m.  
99+
170.00 p.p.m.  
6

Physical

Melting Point
1,356.00 °C  
33
419.58 °C  
99+

Boiling Point
3,123.00 °C  
30
907.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silvery Gray  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
1.50  
19
2.50  
15

Brinell Hardness
677.00 MPa  
19
327.00 MPa  
39

Vickers Hardness
863.00 MPa  
20
207.00 MPa  
99+

Speed of Sound
2,620.00 m/s  
99+
3,850.00 m/s  
25

Optical Properties
  
  

Refractive Index
1.60  
32
1.00  
99+

Reflectivity
35.00 %  
34
80.00 %  
7

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Tb  
Zn  

Isotopes
  
  

Known Isotopes
26  
13
25  
14

Electronegativity
  
  

Pauling Electronegativity
1.20  
40
1.65  
20

Sanderson Electronegativity
1.20  
32
2.23  
7

Allred Rochow Electronegativity
1.10  
31
1.66  
8

Mulliken-Jaffe Electronegativity
1.20  
39
1.65  
20

Allen Electronegativity
1.20  
99+
1.59  
25

Electropositivity
  
  

Pauling Electropositivity
2.20  
39
2.35  
35

Ionization Energies
  
  

1st Energy Level
603.40 kJ/mol  
99+
906.40 kJ/mol  
6

2nd Energy Level
1,174.80 kJ/mol  
99+
1,733.30 kJ/mol  
28

3rd Energy Level
2,417.00 kJ/mol  
99+
3,833.00 kJ/mol  
12

4th Energy Level
4,203.00 kJ/mol  
99+
5,731.00 kJ/mol  
20

5th Energy Level
5,658.00 kJ/mol  
99+
7,970.00 kJ/mol  
15

6th Energy Level
5,658.00 kJ/mol  
99+
10,400.00 kJ/mol  
15

7th Energy level
5,420.00 kJ/mol  
99+
12,900.00 kJ/mol  
9

8th Energy Level
5,650.00 kJ/mol  
99+
16,800.00 kJ/mol  
6

9th Energy Level
5,650.00 kJ/mol  
99+
19,600.00 kJ/mol  
8

10th Energy Level
5,650.00 kJ/mol  
99+
23,000.00 kJ/mol  
10

11th Energy Level
5,650.00 kJ/mol  
99+
26,400.00 kJ/mol  
11

12th Energy Level
5,650.00 kJ/mol  
99+
29,990.00 kJ/mol  
33

13th Energy Level
5,650.00 kJ/mol  
99+
40,490.00 kJ/mol  
5

14th Energy Level
5,650.00 kJ/mol  
99+
43,800.00 kJ/mol  
6

15th Energy Level
56,500.00 kJ/mol  
99+
47,300.00 kJ/mol  
99+

16th Energy Level
56,500.00 kJ/mol  
99+
52,300.00 kJ/mol  
99+

17th Energy Level
565.80 kJ/mol  
99+
55,900.00 kJ/mol  
10

18th Energy Level
5,658.00 kJ/mol  
99+
59,700.00 kJ/mol  
11

19th Energy Level
565.00 kJ/mol  
99+
67,300.00 kJ/mol  
10

20th Energy Level
565.00 kJ/mol  
99+
171,200.00 kJ/mol  
1

21st Energy Level
565.80 kJ/mol  
99+
179,100.00 kJ/mol  
1

22nd Energy Level
565.00 kJ/mol  
99+
906.00 kJ/mol  
9

23rd Energy Level
565.80 kJ/mol  
99+
906.40 kJ/mol  
37

24th Energy Level
565.80 kJ/mol  
99+
906.40 kJ/mol  
5

25th Energy Level
565.00 kJ/mol  
99+
906.40 kJ/mol  
4

26th Energy Level
565.80 kJ/mol  
99+
906.40 kJ/mol  
4

27th Energy Level
565.80 kJ/mol  
99+
906.40 kJ/mol  
3

28th Energy Level
565.80 kJ/mol  
99+
906.40 kJ/mol  
6

29th Energy Level
565.80 kJ/mol  
99+
906.40 kJ/mol  
7

30th Energy Level
565.00 kJ/mol  
99+
906.40 kJ/mol  
4

Electrochemical Equivalent
1.98 g/amp-hr  
35
1.22 g/amp-hr  
99+

Electron Work Function
3.00 eV  
99+
4.33 eV  
24

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  

Atomic

Atomic Number
65  
99+
30  
99+

Electron Configuration
[Xe] 4f9 6s2  
[Ar] 3d10 4s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
HCP-Crystal-Structure-of-Terbium.jpg#100  
HCP-Crystal-Structure-of-Zinc.jpg#100  

Atom
  
  

Number of Protons
65  
99+
30  
99+

Number of Neutrons
94  
37
35  
99+

Number of Electrons
65  
99+
30  
99+

Radius of an Atom
  
  

Atomic Radius
177.00 pm  
19
134.00 pm  
99+

Covalent Radius
194.00 pm  
16
122.00 pm  
99+

Van der Waals Radius
221.00 pm  
27
139.00 pm  
99+

Atomic Weight
158.93 amu  
99+
65.38 amu  
99+

Atomic Volume
19.20 cm3/mol  
34
9.20 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Copper
  

Next Element
Gallium
  

Valence Electron Potential
46.80 (-eV)  
34
38.90 (-eV)  
99+

Lattice Constant
360.10 pm  
40
266.49 pm  
99+

Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.58  
35
1.86  
4

Mechanical

Density
  
  

Density At Room Temperature
8.23 g/cm3  
99+
7.14 g/cm3  
99+

Density When Liquid (at m.p.)
7.65 g/cm3  
99+
6.57 g/cm3  
99+

Tensile Strength
60.00 MPa  
35
120.00 MPa  
27

Viscosity
0.00  
25
0.00  
7

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
31
0.00 (Pa)  
37

Vapor Pressure at 2000 K
12.50 (Pa)  
8
0.00 (Pa)  
37

Elasticity properties
  
  

Shear Modulus
22.10 GPa  
99+
43.00 GPa  
18

Bulk Modulus
38.70 GPa  
40
70.00 GPa  
20

Young's Modulus
55.70 GPa  
37
108.00 GPa  
21

Poisson Ratio
0.26  
21
0.25  
24

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
8.23  
99+
6.90  
99+

Magnetic Ordering
Paramagnetic  
Diamagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
16

Susceptibility
0.00  
24
0.00  
6

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
1.15 nΩ·m  
99+
59.00 nΩ·m  
40

Electrical Conductivity
0.01 106/cm Ω  
99+
0.17 106/cm Ω  
12

Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+

Thermal

Specific Heat
0.18 J/(kg K)  
34
0.39 J/(kg K)  
14

Molar Heat Capacity
28.91 J/mol·K  
12
25.47 J/mol·K  
99+

Thermal Conductivity
11.10 W/m·K  
99+
116.00 W/m·K  
14

Critical Temperature
1,629.00 K  
37
692.00 K  
99+

Thermal Expansion
10.30 µm/(m·K)  
99+
30.20 µm/(m·K)  
11

Enthalpy
  
  

Enthalpy of Vaporization
330.90 kJ/mol  
99+
7.32 kJ/mol  
99+

Enthalpy of Fusion
10.80 kJ/mol  
40
7.32 kJ/mol  
99+

Enthalpy of Atomization
314.00 kJ/mol  
99+
129.70 kJ/mol  
99+

Standard Molar Entropy
73.20 J/mol.K  
10
41.60 J/mol.K  
99+

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