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Copper vs Roentgenium


Roentgenium vs Copper


Periodic Table

Symbol
Cu  
Rg  

Group Number
11  
7
11  
7

Period Number
4  
7  

Block
d block  
d block  

Element Family
Transition Metal  
-  

CAS Number
7440508  
37
54386242  
1

Space Group Name
Fm_ 3m  
-  

Space Group Number
225.00  
3
194.00  
7

Facts

Interesting Facts
  • Copper rarely found in its pure form in nature.
  • Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  
Roentgenium is a highly unstable synthetic element.  

Sources
Found in Minerals  
Synthetically Produced  

History
  
  

Who Discovered
-  
Gesellschaft für Schwerionenforschung  

Discovery
In Middle East (9000 BCE)  
In 1994  

Abundance
  
  

Abundance In Universe
0.00 %  
13
0.00 %  
40

Abundance In Sun
0.00 %  
12
-  

Abundance In Meteorites
0.01 %  
13
-  

Abundance In Earth's Crust
0.01 %  
17
-  

Abundance In Oceans
0.00 %  
8
-  

Abundance In Humans
0.00 %  
10
-  

Uses

Uses & Benefits
  • It is use for coinage and bullion.
  • Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
  
  • Currently known uses of Roentgenium metal are limited to research purpose only.
  

Industrial Uses
Chemical Industry, Electronic Industry  
-  

Medical Uses
-  
-  

Other Uses
Alloys, Coinage, Jewellery  
Research Purposes  

Biological Properties
  
  

Toxicity
Non Toxic  
-  

Present in Human Body
Yes  
No  

In Blood
1.01 Blood/mg dm-3  
8
0.00 Blood/mg dm-3  
40

In Bone
26.00 p.p.m.  
12
0.00 p.p.m.  
99+

Physical

Melting Point
1,084.62 °C  
40
-  

Boiling Point
2,562.00 °C  
99+
2,800.00 °C  
38

Appearance
  
  

Physical State
Solid  
Solid  

Color
Copper  
Silver  

Luster
-  
Unknown Luster  

Hardness
  
  

Mohs Hardness
3.00  
13
-  

Brinell Hardness
235.00 MPa  
99+
700.00 MPa  
17

Vickers Hardness
343.00 MPa  
99+
450.00 MPa  
38

Speed of Sound
3,810.00 m/s  
26
3,430.00 m/s  
32

Optical Properties
  
  

Refractive Index
1.10  
99+
1.30  
99+

Reflectivity
90.00 %  
4
64.00 %  
19

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Cu  
Rg  

Isotopes
  
  

Known Isotopes
29  
10
1  
34

Electronegativity
  
  

Pauling Electronegativity
1.90  
12
0.00  
99+

Sanderson Electronegativity
1.98  
11
1.90  
13

Allred Rochow Electronegativity
1.75  
4
1.30  
25

Mulliken-Jaffe Electronegativity
1.49  
27
0.90  
99+

Allen Electronegativity
1.85  
12
0.80  
99+

Electropositivity
  
  

Pauling Electropositivity
2.10  
99+
2.20  
39

Ionization Energies
  
  

1st Energy Level
745.50 kJ/mol  
22
1,022.70 kJ/mol  
3

2nd Energy Level
1,957.90 kJ/mol  
15
2,074.40 kJ/mol  
10

3rd Energy Level
3,555.00 kJ/mol  
15
3,077.90 kJ/mol  
24

4th Energy Level
5,536.00 kJ/mol  
21
4,052.40 kJ/mol  
99+

5th Energy Level
7,700.00 kJ/mol  
17
5,306.70 kJ/mol  
99+

6th Energy Level
9,900.00 kJ/mol  
16
11,100.00 kJ/mol  
10

7th Energy level
13,400.00 kJ/mol  
7
5,800.00 kJ/mol  
99+

8th Energy Level
16,000.00 kJ/mol  
9
5,800.00 kJ/mol  
99+

9th Energy Level
19,200.00 kJ/mol  
9
5,650.00 kJ/mol  
99+

10th Energy Level
22,400.00 kJ/mol  
11
5,800.00 kJ/mol  
99+

11th Energy Level
25,600.00 kJ/mol  
13
8,300.00 kJ/mol  
24

12th Energy Level
35,600.00 kJ/mol  
27
8,300.00 kJ/mol  
99+

13th Energy Level
38,700.00 kJ/mol  
6
8,700.00 kJ/mol  
16

14th Energy Level
42,000.00 kJ/mol  
7
8,300.00 kJ/mol  
16

15th Energy Level
46,700.00 kJ/mol  
99+
87,000.00 kJ/mol  
9

16th Energy Level
50,200.00 kJ/mol  
99+
83,000.00 kJ/mol  
11

17th Energy Level
53,700.00 kJ/mol  
12
830.80 kJ/mol  
30

18th Energy Level
61,100.00 kJ/mol  
10
8,300.00 kJ/mol  
19

19th Energy Level
64,702.00 kJ/mol  
11
580.00 kJ/mol  
99+

20th Energy Level
163,700.00 kJ/mol  
2
580.00 kJ/mol  
99+

21st Energy Level
174,100.00 kJ/mol  
2
5,800.00 kJ/mol  
21

22nd Energy Level
184,900.00 kJ/mol  
1
580.00 kJ/mol  
99+

23rd Energy Level
198,800.00 kJ/mol  
1
5,800.00 kJ/mol  
21

24th Energy Level
745.50 kJ/mol  
19
538.70 kJ/mol  
99+

25th Energy Level
745.50 kJ/mol  
19
0.00 kJ/mol  
99+

26th Energy Level
745.50 kJ/mol  
19
580.00 kJ/mol  
99+

27th Energy Level
745.50 kJ/mol  
18
580.00 kJ/mol  
99+

28th Energy Level
745.50 kJ/mol  
24
880.00 kJ/mol  
8

29th Energy Level
745.50 kJ/mol  
25
580.00 kJ/mol  
99+

30th Energy Level
745.50 kJ/mol  
19
0.00 kJ/mol  
99+

Electrochemical Equivalent
1.19 g/amp-hr  
99+
3.10 g/amp-hr  
18

Electron Work Function
4.65 eV  
16
4.90 eV  
12

Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility  
-  

Atomic

Atomic Number
29  
99+
111  
7

Electron Configuration
[Ar] 3d10 4s1  
[Rn] 5f14 6d9 7s2  

Crystal Structure
Face Centered Cubic (FCC)  
Body Centered Cubic (BCC)  

Crystal Lattice
FCC-Crystal-Structure-of-Copper.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
29  
99+
111  
7

Number of Neutrons
35  
99+
161  
4

Number of Electrons
29  
99+
111  
7

Radius of an Atom
  
  

Atomic Radius
128.00 pm  
99+
200.00 pm  
7

Covalent Radius
132.00 pm  
99+
126.00 pm  
99+

Van der Waals Radius
140.00 pm  
99+
280.00 pm  
6

Atomic Weight
63.55 amu  
99+
281.00 amu  
6

Atomic Volume
7.10 cm3/mol  
99+
28.70 cm3/mol  
12

Adjacent Atomic Numbers
  
  

Previous Element
Nickel
  

Next Element
Zinc
  

Valence Electron Potential
34.00 (-eV)  
99+
11.90 (-eV)  
99+

Lattice Constant
361.49 pm  
39
0.00 pm  
99+

Lattice Angles
π/2, π/2, π/2  
-  

Lattice C/A Ratio
1.28  
99+
1.90  
1

Mechanical

Density
  
  

Density At Room Temperature
8.96 g/cm3  
99+
28.70 g/cm3  
6

Density When Liquid (at m.p.)
8.02 g/cm3  
99+
28.70 g/cm3  
7

Tensile Strength
210.00 MPa  
19
65.00 MPa  
33

Viscosity
0.00  
25
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
1.53 (Pa)  
8
0.00 (Pa)  
37

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
99+

Elasticity properties
  
  

Shear Modulus
48.00 GPa  
15
26.00 GPa  
36

Bulk Modulus
140.00 GPa  
12
0.00 GPa  
99+

Young's Modulus
120.00 GPa  
19
12.70 GPa  
99+

Poisson Ratio
0.34  
10
0.30  
14

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
8.89  
99+
28.70  
8

Magnetic Ordering
Diamagnetic  
-  

Permeability
0.00 H/m  
19
0.00 H/m  
12

Susceptibility
0.00  
31
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
-  

Resistivity
16.78 nΩ·m  
99+
0.20 nΩ·m  
99+

Electrical Conductivity
0.60 106/cm Ω  
2
0.00 106/cm Ω  
99+

Electron Affinity
222.80 kJ/mol  
1
50.00 kJ/mol  
26

Thermal

Specific Heat
0.38 J/(kg K)  
15
0.13 J/(kg K)  
40

Molar Heat Capacity
24.44 J/mol·K  
99+
23.70 J/mol·K  
99+

Thermal Conductivity
401.00 W/m·K  
2
0.10 W/m·K  
99+

Critical Temperature
1,358.00 K  
99+
1,100.00 K  
99+

Thermal Expansion
16.50 µm/(m·K)  
27
12.60 µm/(m·K)  
40

Enthalpy
  
  

Enthalpy of Vaporization
283.70 kJ/mol  
99+
580.00 kJ/mol  
12

Enthalpy of Fusion
7.11 kJ/mol  
99+
-  

Enthalpy of Atomization
338.90 kJ/mol  
39
580.00 kJ/mol  
14

Standard Molar Entropy
33.20 J/mol.K  
99+
57.00 J/mol.K  
30

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