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Moscovium vs Rubidium

Moscovium
Rubidium
Rubidium vs Moscovium


Periodic Table
Symbol
Mc  
Rb  
Group Number
15  
3
1  
17
Period Number
7  
5  
Block
p block  
s block  
Element Family
Probably Post-​Transition  
Alkali  
CAS Number
54085642  
4
7440177  
99+
Space Group Name
-  
Im_ 3m  
Space Group Number
194.00  
7
229.00  
2
Facts
Interesting Facts
Moscovium is named after Moscow, where the Joint Institute for Nuclear Research is located.  
  • Rubidium metal is 16th most common element found in the earth crust.
  • Rubidium metal also found in minerals as well as seawater.
  
Sources
Synthetically Produced  
Obtained from Lithium Production.  
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Robert Bunsen and Gustav Kirchhoff  
Discovery
In 2003  
In 1861  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
17
Abundance In Sun
-  
0.00 %  
17
Abundance In Meteorites
0.00 %  
99+
0.00 %  
19
Abundance In Earth's Crust
-  
0.01 %  
18
Abundance In Oceans
-  
0.00 %  
7
Abundance In Humans
-  
0.00 %  
8
Uses
Uses & Benefits
  • Currently known uses of Ununpentium metal are limited to research purpose only.
  
  • Rubidium's main application is in the glass manufacturing.
  • Rubidium can very easily get ionized and hence it is used for ion engines, but it is still less efficient than that of Caesium.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys, Research Purposes  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
30
2.49 Blood/mg dm-3  
7
In Bone
0.30 p.p.m.  
26
5.00 p.p.m.  
13
Physical
Melting Point
400.00 °C  
99+
38.89 °C  
99+
Boiling Point
1,100.00 °C  
99+
688.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Grayish White  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
-  
0.30  
26
Brinell Hardness
700.00 MPa  
17
0.22 MPa  
99+
Vickers Hardness
400.00 MPa  
99+
0.22 MPa  
99+
Speed of Sound
3,790.00 m/s  
28
1,300.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.70  
27
1.54  
35
Reflectivity
67.00 %  
16
52.00 %  
29
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mc  
Rb  
Isotopes
  
  
Known Isotopes
5  
32
29  
10
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
0.82  
99+
Sanderson Electronegativity
1.90  
13
0.31  
99+
Allred Rochow Electronegativity
1.90  
1
0.89  
99+
Mulliken-Jaffe Electronegativity
1.20  
39
0.69  
99+
Allen Electronegativity
1.20  
99+
0.71  
99+
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
3.18  
3
Ionization Energies
  
  
1st Energy Level
538.40 kJ/mol  
99+
403.00 kJ/mol  
99+
2nd Energy Level
1,756.00 kJ/mol  
25
2,633.00 kJ/mol  
6
3rd Energy Level
2,653.30 kJ/mol  
99+
3,860.00 kJ/mol  
11
4th Energy Level
4,679.50 kJ/mol  
34
5,080.00 kJ/mol  
28
5th Energy Level
5,721.60 kJ/mol  
99+
6,850.00 kJ/mol  
31
6th Energy Level
6,700.00 kJ/mol  
99+
8,140.00 kJ/mol  
31
7th Energy level
6,700.00 kJ/mol  
99+
9,570.00 kJ/mol  
20
8th Energy Level
6,700.00 kJ/mol  
39
13,120.00 kJ/mol  
17
9th Energy Level
6,700.00 kJ/mol  
36
14,500.00 kJ/mol  
18
10th Energy Level
6,100.00 kJ/mol  
99+
26,740.00 kJ/mol  
6
11th Energy Level
6,500.00 kJ/mol  
99+
4,030.00 kJ/mol  
99+
12th Energy Level
67,000.00 kJ/mol  
6
4,030.00 kJ/mol  
99+
13th Energy Level
7,600.00 kJ/mol  
23
4,030.00 kJ/mol  
99+
14th Energy Level
1,139.00 kJ/mol  
99+
4,030.00 kJ/mol  
99+
15th Energy Level
67,000.00 kJ/mol  
33
40,300.00 kJ/mol  
99+
16th Energy Level
54,000.00 kJ/mol  
99+
40,300.00 kJ/mol  
99+
17th Energy Level
540.10 kJ/mol  
99+
403.00 kJ/mol  
99+
18th Energy Level
3,200.00 kJ/mol  
99+
4,030.00 kJ/mol  
99+
19th Energy Level
540.10 kJ/mol  
99+
403.00 kJ/mol  
99+
20th Energy Level
830.00 kJ/mol  
20
403.00 kJ/mol  
99+
21st Energy Level
1,085.00 kJ/mol  
31
403.00 kJ/mol  
99+
22nd Energy Level
540.00 kJ/mol  
99+
403.00 kJ/mol  
99+
23rd Energy Level
6,100.00 kJ/mol  
16
403.00 kJ/mol  
99+
24th Energy Level
540.20 kJ/mol  
99+
403.00 kJ/mol  
99+
25th Energy Level
700.00 kJ/mol  
31
403.00 kJ/mol  
99+
26th Energy Level
670.00 kJ/mol  
30
403.00 kJ/mol  
99+
27th Energy Level
670.00 kJ/mol  
31
403.00 kJ/mol  
99+
28th Energy Level
670.00 kJ/mol  
36
403.00 kJ/mol  
99+
29th Energy Level
670.00 kJ/mol  
37
403.00 kJ/mol  
99+
30th Energy Level
670.00 kJ/mol  
32
403.00 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.19 g/amp-hr  
16
Electron Work Function
4.10 eV  
32
2.16 eV  
99+
Other Chemical Properties
Chemical Stability, Ionization  
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
115  
3
37  
99+
Electron Configuration
[Rn] 5f14 6d10 7s2 7p3  
[Kr] 5s1  
Crystal Structure
Not Known  
Body Centered Cubic (BCC)  
Crystal Lattice
Unknown-Crystal-Structure-of-Ununpentium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
115  
3
37  
99+
Number of Neutrons
159  
6
48  
99+
Number of Electrons
115  
3
37  
99+
Radius of an Atom
  
  
Atomic Radius
170.00 pm  
24
248.00 pm  
3
Covalent Radius
170.00 pm  
27
220.00 pm  
4
Van der Waals Radius
320.00 pm  
3
303.00 pm  
4
Atomic Weight
289.00 amu  
3
85.47 amu  
99+
Atomic Volume
22.60 cm3/mol  
19
55.90 cm3/mol  
3
Adjacent Atomic Numbers
  
  
Previous Element
Flerovium
  
Gallium
  
Next Element
Livermorium
  
Strontium
  
Valence Electron Potential
5.30 (-eV)  
99+
9.47 (-eV)  
99+
Lattice Constant
0.00 pm  
99+
558.50 pm  
11
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.70  
8
1.59  
28
Mechanical
Density
  
  
Density At Room Temperature
4.51 g/cm3  
99+
1.53 g/cm3  
99+
Density When Liquid (at m.p.)
13.50 g/cm3  
28
1.46 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
30.00 MPa  
99+
Viscosity
0.00  
25
0.00  
23
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
35
Elasticity properties
  
  
Shear Modulus
-  
2.50 GPa  
99+
Bulk Modulus
0.00 GPa  
99+
2.50 GPa  
99+
Young's Modulus
11.80 GPa  
99+
2.40 GPa  
99+
Poisson Ratio
0.30  
14
0.37  
7
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
13.50  
29
1.53  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
11
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.35 nΩ·m  
99+
128.00 nΩ·m  
26
Electrical Conductivity
0.00 106/cm Ω  
99+
0.08 106/cm Ω  
29
Electron Affinity
50.00 kJ/mol  
26
46.90 kJ/mol  
29
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.36 J/(kg K)  
17
Molar Heat Capacity
27.00 J/mol·K  
29
31.06 J/mol·K  
7
Thermal Conductivity
0.37 W/m·K  
99+
58.20 W/m·K  
26
Critical Temperature
1,100.00 K  
99+
2,093.00 K  
18
Thermal Expansion
12.50 µm/(m·K)  
99+
90.00 µm/(m·K)  
2
Enthalpy
  
  
Enthalpy of Vaporization
420.30 kJ/mol  
21
69.20 kJ/mol  
99+
Enthalpy of Fusion
-  
2.19 kJ/mol  
99+
Enthalpy of Atomization
395.60 kJ/mol  
28
82.00 kJ/mol  
99+
Standard Molar Entropy
50.00 J/mol.K  
99+
76.80 J/mol.K  
5
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