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Darmstadtium vs Rubidium


Rubidium vs Darmstadtium


Periodic Table

Symbol
Ds   
Rb   

Group Number
10   
8
1   
17

Period Number
7   
5   

Block
d block   
s block   

Element Family
Probably Transition   
Alkali   

CAS Number
54083771   
8
7440177   
99+

Space Group Name
Not Available   
Im_ 3m   

Space Group Number
Not Available   
229.00   
1

Facts

Interesting Facts
Not Available   
  • 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
Gesellschaft für Schwerionenforschung   
Robert Bunsen and Gustav Kirchhoff   

Discovery
In 1994   
In 1861   

Abundance
  
  

Abundance In Universe
Not Available   
1 * 10-6 %   
16

Abundance In Sun
~-9999 %   
~0.000003 %   
17

Abundance In Meteorites
Not Available   
0.00 %   
19

Abundance In Earth's Crust
Not Available   
0.01 %   
18

Abundance In Oceans
Not Available   
0.00 %   
7

Abundance In Humans
Not Available   
0.00 %   
7

Uses

Uses & Benefits
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
  • 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
NA   
NA   

Medical Uses
NA   
NA   

Other Uses
Research Purposes   
Alloys, Research Purposes   

Biological Properties
  
  

Toxicity
Unknown   
Non Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
2.49 Blood/mg dm-3   
7

In Bone
0.00 p.p.m.   
36
5.00 p.p.m.   
13

Physical Properties

Melting Point
Not Available   
38.89 °C   
99+

Boiling Point
Not Available   
688.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Unknown   
Grayish White   

Luster
Unknown Luster   
NA   

Hardness
  
  

Mohs Hardness
Not Available   
0.30   
24

Brinell Hardness
Not Available   
0.22 MPa   
99+

Speed of Sound
5,090.00 m/s   
9
1,300.00 m/s   
99+

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical Properties

Chemical Formula
Ds   
Rb   

Isotopes
  
  

Known Isotopes
9   
29
29   
10

Electronegativity
  
  

Pauling Electronegativity
Not Available   
0.82   
99+

Sanderson Electronegativity
Not Available   
0.31   
32

Allred Rochow Electronegativity
Not Available   
0.89   
40

Mulliken-Jaffe Electronegativity
Not Available   
0.69   
24

Allen Electronegativity
Not Available   
0.71   
99+

Electropositivity
  
  

Pauling Electropositivity
Not Available   
3.18   
3

Ionization Energies
  
  

1st Energy Level
955.20 kJ/mol   
5
403.00 kJ/mol   
99+

2nd Energy Level
1,891.10 kJ/mol   
16
2,633.00 kJ/mol   
6

3rd Energy Level
3,029.60 kJ/mol   
25
3,860.00 kJ/mol   
11

4th Energy Level
3,955.90 kJ/mol   
40
5,080.00 kJ/mol   
18

5th Energy Level
5,113.70 kJ/mol   
33
6,850.00 kJ/mol   
19

6th Energy Level
Not Available   
8,140.00 kJ/mol   
20

7th Energy level
Not Available   
9,570.00 kJ/mol   
20

8th Energy Level
Not Available   
13,120.00 kJ/mol   
17

9th Energy Level
Not Available   
14,500.00 kJ/mol   
18

10th Energy Level
Not Available   
26,740.00 kJ/mol   
6

Electrochemical Equivalent
Not Available   
3.19 g/amp-hr   
14

Electron Work Function
Not Available   
2.16 eV   
99+

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   

Atomic Properties

Atomic Number
110   
8
37   
99+

Electron Configuration
[Rn] 5f14 6d8 7s2   
[Kr] 5s1   

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
110   
8
37   
99+

Number of Neutrons
161   
3
48   
99+

Number of Electrons
110   
8
37   
99+

Radius of an Atom
  
  

Atomic Radius
132.00 pm   
99+
248.00 pm   
2

Covalent Radius
128.00 pm   
99+
220.00 pm   
4

Van der Waals Radius
Not Available   
303.00 pm   
3

Atomic Weight
281.00 amu   
6
85.47 amu   
99+

Atomic Volume
Not Available   
55.90 cm3/mol   
2

Adjacent Atomic Numbers
  
  

Previous Element
Meitnerium
  
Gallium
  

Next Element
Strontium
  

Valence Electron Potential
Not Available   
9.47 (-eV)   
99+

Lattice Constant
Not Available   
558.50 pm   
10

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
Not Available   
1.53 g/cm3   
99+

Density When Liquid (at m.p.)
Not Available   
1.46 g/cm3   
99+

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Bulk Modulus
Not Available   
2.50 GPa   
99+

Young's Modulus
Not Available   
2.40 GPa   
99+

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
Unknown   
Ductile   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
Not Available   
1.53   
99+

Magnetic Ordering
Unknown   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Conductor   

Resistivity
Not Available   
128.00 nΩ·m   
26

Electrical Conductivity
Not Available   
0.08 106/cm Ω   
24

Electron Affinity
Not Available   
46.90 kJ/mol   
24

Thermal Properties

Specific Heat
Not Available   
0.36 J/(kg K)   
17

Molar Heat Capacity
Not Available   
31.06 J/mol·K   
5

Thermal Conductivity
Not Available   
58.20 W/m·K   
26

Critical Temperature
Not Available   
2,093.00 K   
4

Thermal Expansion
Not Available   
90.00 µm/(m·K)   
2

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
69.20 kJ/mol   
99+

Enthalpy of Fusion
Not Available   
2.19 kJ/mol   
99+

Enthalpy of Atomization
Not Available   
82.00 kJ/mol   
99+

Standard Molar Entropy
Not Available   
76.80 J/mol.K   
5

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