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Gold vs Berkelium


Berkelium vs Gold


Periodic Table

Symbol
Au  
Bk  

Group Number
11  
7
14  
4

Period Number
6  
7  

Block
d block  
f block  

Element Family
Transition Metal  
Actinide  

CAS Number
7440575  
31
7440406  
99+

Space Group Name
Fm_ 3m  
P63/mmc  

Space Group Number
225.00  
3
194.00  
7

Facts

Interesting Facts
  • It is found in copper ores and from the crust of the earth.
  • It is the most malleable and ductile metal.
  • Gold alloys are used in Dentistry as fillings, crowning, clips, etc. It is also used as an artificial limb joints.
  
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  

Sources
Earth's crust, Mining, Ores of metals  
Bombarding Americium with Alpha Particles.  

History
  
  

Who Discovered
-  
Lawrence Berkeley National Laboratory  

Discovery
Before 6000 BCE  
In 1949  

Abundance
  
  

Abundance In Universe
0.00 %  
27
0.00 %  
36

Abundance In Sun
0.00 %  
26
0.00 %  
30

Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+

Abundance In Oceans
0.00 %  
21
-  

Abundance In Humans
0.00 %  
21
0.00 %  
24

Uses

Uses & Benefits
  • Gold metal is mainly used for Jewelry, bullion, coinage, etc.
  • It is used in the art, decoration, ornaments, etc. It is also used for electroplating process.
  
  • This metal is very rare and has no commercial uses.
  

Industrial Uses
Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry  
-  

Medical Uses
Dentistry, Pharmaceutical Industry  
-  

Other Uses
Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues  
-  

Biological Properties
  
  

Toxicity
Non Toxic  
-  

Present in Human Body
Yes  
No  

In Blood
0.00 Blood/mg dm-3  
38
0.00 Blood/mg dm-3  
40

In Bone
0.02 p.p.m.  
35
0.00 p.p.m.  
99+

Physical

Melting Point
1,064.43 °C  
99+
986.00 °C  
99+

Boiling Point
2,807.00 °C  
37
2,627.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Gold  
Silver  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
2.50  
15
6.00  
6

Brinell Hardness
194.00 MPa  
99+
260.00 MPa  
99+

Vickers Hardness
216.00 MPa  
99+
1,070.00 MPa  
16

Speed of Sound
2,030.00 m/s  
99+
2,560.00 m/s  
99+

Optical Properties
  
  

Refractive Index
0.47  
99+
1.30  
99+

Reflectivity
95.00 %  
2
61.00 %  
22

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Au  
Bk  

Isotopes
  
  

Known Isotopes
36  
3
14  
25

Electronegativity
  
  

Pauling Electronegativity
2.54  
2
1.30  
33

Sanderson Electronegativity
1.50  
18
1.30  
25

Allred Rochow Electronegativity
1.42  
19
1.20  
28

Mulliken-Jaffe Electronegativity
1.87  
15
1.30  
33

Allen Electronegativity
1.92  
7
2.70  
1

Electropositivity
  
  

Pauling Electropositivity
1.46  
99+
2.70  
22

Ionization Energies
  
  

1st Energy Level
890.10 kJ/mol  
8
601.00 kJ/mol  
99+

2nd Energy Level
1,980.00 kJ/mol  
12
1,186.00 kJ/mol  
99+

3rd Energy Level
2,856.00 kJ/mol  
33
2,152.00 kJ/mol  
99+

4th Energy Level
890.10 kJ/mol  
99+
3,434.00 kJ/mol  
99+

5th Energy Level
8,901.00 kJ/mol  
6
6,010.00 kJ/mol  
99+

6th Energy Level
8,901.00 kJ/mol  
24
6,010.00 kJ/mol  
99+

7th Energy level
8,901.00 kJ/mol  
21
6,010.00 kJ/mol  
99+

8th Energy Level
8,900.00 kJ/mol  
20
6,010.00 kJ/mol  
99+

9th Energy Level
8,901.00 kJ/mol  
20
6,010.00 kJ/mol  
99+

10th Energy Level
8,901.00 kJ/mol  
21
6,010.00 kJ/mol  
99+

11th Energy Level
8,901.00 kJ/mol  
19
6,010.00 kJ/mol  
99+

12th Energy Level
8,900.00 kJ/mol  
39
60,100.00 kJ/mol  
16

13th Energy Level
8,900.00 kJ/mol  
14
6,010.00 kJ/mol  
99+

14th Energy Level
890.10 kJ/mol  
99+
6,010.00 kJ/mol  
32

15th Energy Level
89,000.00 kJ/mol  
7
60,100.00 kJ/mol  
99+

16th Energy Level
890.10 kJ/mol  
99+
60,100.00 kJ/mol  
33

17th Energy Level
890.10 kJ/mol  
25
601.00 kJ/mol  
99+

18th Energy Level
8,901.00 kJ/mol  
14
6,010.00 kJ/mol  
99+

19th Energy Level
890.10 kJ/mol  
23
601.00 kJ/mol  
99+

20th Energy Level
890.00 kJ/mol  
13
601.00 kJ/mol  
99+

21st Energy Level
890.10 kJ/mol  
35
6,010.00 kJ/mol  
18

22nd Energy Level
890.00 kJ/mol  
11
601.00 kJ/mol  
99+

23rd Energy Level
890.10 kJ/mol  
38
6,010.00 kJ/mol  
19

24th Energy Level
890.10 kJ/mol  
6
601.00 kJ/mol  
99+

25th Energy Level
890.00 kJ/mol  
5
601.00 kJ/mol  
99+

26th Energy Level
890.10 kJ/mol  
5
601.00 kJ/mol  
99+

27th Energy Level
890.10 kJ/mol  
4
601.00 kJ/mol  
99+

28th Energy Level
890.10 kJ/mol  
7
601.00 kJ/mol  
99+

29th Energy Level
890.10 kJ/mol  
8
601.00 kJ/mol  
99+

30th Energy Level
890.10 kJ/mol  
5
601.00 kJ/mol  
99+

Electrochemical Equivalent
2.45 g/amp-hr  
25
3.07 g/amp-hr  
19

Electron Work Function
5.10 eV  
8
4.90 eV  
12

Other Chemical Properties
Chemical Stability, Ionization, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
79  
37
97  
21

Electron Configuration
[Xe] 4f14 5d10 6s1  
[Rn] 5f9 7s2  

Crystal Structure
Face Centered Cubic (FCC)  
Double Hexagonal Close Packed (DHCP)  

Crystal Lattice
FCC-Crystal-Structure-of-Gold.jpg#100  
DHCP-Crystal-Structure-of-Berkelium.jpg#100  

Atom
  
  

Number of Protons
79  
37
97  
21

Number of Neutrons
118  
24
150  
12

Number of Electrons
79  
37
97  
21

Radius of an Atom
  
  

Atomic Radius
151.00 pm  
34
170.00 pm  
24

Covalent Radius
144.00 pm  
99+
170.00 pm  
27

Van der Waals Radius
166.00 pm  
99+
244.00 pm  
14

Atomic Weight
196.97 amu  
33
247.00 amu  
18

Atomic Volume
10.20 cm3/mol  
99+
13.39 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Platinum
  
Curium
  

Next Element
Mercury
  

Valence Electron Potential
43.40 (-eV)  
99+
45.50 (-eV)  
37

Lattice Constant
407.82 pm  
24
341.60 pm  
99+

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

Lattice C/A Ratio
1.61  
18
1.57  
38

Mechanical

Density
  
  

Density At Room Temperature
19.30 g/cm3  
15
14.78 g/cm3  
23

Density When Liquid (at m.p.)
17.31 g/cm3  
16
13.25 g/cm3  
29

Tensile Strength
120.00 MPa  
27
70.00 MPa  
31

Viscosity
0.00  
23
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
25
0.00 (Pa)  
22

Vapor Pressure at 2000 K
67.00 (Pa)  
4
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
27.00 GPa  
34
27.00 GPa  
34

Bulk Modulus
180.00 GPa  
9
13.00 GPa  
99+

Young's Modulus
79.00 GPa  
26
13.00 GPa  
99+

Poisson Ratio
0.40  
4
0.35  
9

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
19.32  
17
14.00  
25

Magnetic Ordering
Diamagnetic  
Paramagnetic  

Permeability
0.00 H/m  
10
0.00 H/m  
13

Susceptibility
0.00  
22
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
2.20 nΩ·m  
99+
7.60 nΩ·m  
99+

Electrical Conductivity
0.45 106/cm Ω  
3
0.10 106/cm Ω  
25

Electron Affinity
222.80 kJ/mol  
1
0.00 kJ/mol  
99+

Thermal

Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+

Molar Heat Capacity
25.42 J/mol·K  
99+
27.00 J/mol·K  
29

Thermal Conductivity
318.00 W/m·K  
3
10.00 W/m·K  
99+

Critical Temperature
1,337.00 K  
99+
1,323.00 K  
99+

Thermal Expansion
14.20 µm/(m·K)  
29
13.25 µm/(m·K)  
36

Enthalpy
  
  

Enthalpy of Vaporization
324.40 kJ/mol  
99+
380.00 kJ/mol  
27

Enthalpy of Fusion
12.55 kJ/mol  
33
13.25 kJ/mol  
31

Enthalpy of Atomization
364.00 kJ/mol  
34
601.00 kJ/mol  
11

Standard Molar Entropy
47.40 J/mol.K  
99+
52.00 J/mol.K  
37

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