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Rubidium vs Tin

Rubidium
Tin
Tin vs Rubidium


Periodic Table
Symbol
Rb  
Sn  
Group Number
1  
17
14  
4
Period Number
5  
5  
Block
s block  
p block  
Element Family
Alkali  
Post-​Transition  
CAS Number
7440177  
99+
7440315  
99+
Space Group Name
Im_ 3m  
I41/amd  
Space Group Number
229.00  
2
141.00  
10
Facts
Interesting Facts
  • Rubidium metal is 16th most common element found in the earth crust.
  • Rubidium metal also found in minerals as well as seawater.
  
  • In the list of most abundant element Tin is ranked 49th.
  • Tin metal does not react with water as well as does not corrode in it.
  
Sources
Obtained from Lithium Production.  
Found in Minerals, Mining  
History
  
  
Who Discovered
Robert Bunsen and Gustav Kirchhoff  
-  
Discovery
In 1861  
Before 3500 BC  
Abundance
  
  
Abundance In Universe
0.00 %  
17
0.00 %  
21
Abundance In Sun
0.00 %  
17
0.00 %  
19
Abundance In Meteorites
0.00 %  
19
0.00 %  
24
Abundance In Earth's Crust
0.01 %  
18
0.00 %  
34
Abundance In Oceans
0.00 %  
7
0.00 %  
26
Abundance In Humans
0.00 %  
8
0.00 %  
15
Uses
Uses & Benefits
  • 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.
  
  • Tin-niobium alloy is used for producing superconducting magnets.
  • Tin salt known as a tin II chloride, it is used as a mordant and as a reducing agent for dyeing calico and silk.
  
Industrial Uses
-  
Automobile Industry, Chemical Industry, Food Industry  
Medical Uses
-  
Dentistry  
Other Uses
Alloys, Research Purposes  
-  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
Yes  
Yes  
In Blood
2.49 Blood/mg dm-3  
7
0.38 Blood/mg dm-3  
10
In Bone
5.00 p.p.m.  
13
1.40 p.p.m.  
17
Physical
Melting Point
38.89 °C  
99+
231.90 °C  
99+
Boiling Point
688.00 °C  
99+
2,270.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Grayish White  
Silvery White  
Luster
-  
-  
Hardness
  
  
Mohs Hardness
0.30  
26
1.50  
19
Brinell Hardness
0.22 MPa  
99+
50.00 MPa  
99+
Vickers Hardness
0.22 MPa  
99+
50.00 MPa  
99+
Speed of Sound
1,300.00 m/s  
99+
2,730.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.54  
35
2.40  
7
Reflectivity
52.00 %  
29
51.00 %  
30
Allotropes
No  
Yes  
α Allotropes
-  
Grey Tin (alpha Tin, Tin Pest)  
β Allotropes
-  
White Tin (Beta Tin)  
γ Allotropes
-  
Rhombic Tin (gamma Tin)  
Chemical
Chemical Formula
Rb  
Sn  
Isotopes
  
  
Known Isotopes
29  
10
35  
4
Electronegativity
  
  
Pauling Electronegativity
0.82  
99+
1.96  
9
Sanderson Electronegativity
0.31  
99+
1.49  
19
Allred Rochow Electronegativity
0.89  
99+
1.72  
5
Mulliken-Jaffe Electronegativity
0.69  
99+
2.21  
5
Allen Electronegativity
0.71  
99+
1.82  
14
Electropositivity
  
  
Pauling Electropositivity
3.18  
3
2.04  
99+
Ionization Energies
  
  
1st Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
33
2nd Energy Level
2,633.00 kJ/mol  
6
1,411.80 kJ/mol  
99+
3rd Energy Level
3,860.00 kJ/mol  
11
2,943.00 kJ/mol  
30
4th Energy Level
5,080.00 kJ/mol  
28
3,930.30 kJ/mol  
99+
5th Energy Level
6,850.00 kJ/mol  
31
7,456.00 kJ/mol  
21
6th Energy Level
8,140.00 kJ/mol  
31
7,080.00 kJ/mol  
99+
7th Energy level
9,570.00 kJ/mol  
20
7,080.00 kJ/mol  
39
8th Energy Level
13,120.00 kJ/mol  
17
7,080.00 kJ/mol  
35
9th Energy Level
14,500.00 kJ/mol  
18
7,080.00 kJ/mol  
32
10th Energy Level
26,740.00 kJ/mol  
6
7,080.00 kJ/mol  
36
11th Energy Level
4,030.00 kJ/mol  
99+
7,080.00 kJ/mol  
34
12th Energy Level
4,030.00 kJ/mol  
99+
7,080.00 kJ/mol  
99+
13th Energy Level
4,030.00 kJ/mol  
99+
7,080.00 kJ/mol  
31
14th Energy Level
4,030.00 kJ/mol  
99+
708.60 kJ/mol  
99+
15th Energy Level
40,300.00 kJ/mol  
99+
70,800.00 kJ/mol  
27
16th Energy Level
40,300.00 kJ/mol  
99+
70,800.00 kJ/mol  
22
17th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
99+
18th Energy Level
4,030.00 kJ/mol  
99+
7,086.00 kJ/mol  
33
19th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
39
20th Energy Level
403.00 kJ/mol  
99+
708.00 kJ/mol  
33
21st Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
99+
22nd Energy Level
403.00 kJ/mol  
99+
708.00 kJ/mol  
27
23rd Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
99+
24th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
26
25th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
28
26th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
27
27th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
27
28th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
32
29th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
33
30th Energy Level
403.00 kJ/mol  
99+
708.60 kJ/mol  
27
Electrochemical Equivalent
3.19 g/amp-hr  
16
1.11 g/amp-hr  
99+
Electron Work Function
2.16 eV  
99+
4.42 eV  
22
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Solubility  
Atomic
Atomic Number
37  
99+
50  
99+
Electron Configuration
[Kr] 5s1  
[Kr] 4d10 5s2 5p2  
Crystal Structure
Body Centered Cubic (BCC)  
Tetragonal (TETR)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
TETR-Crystal-Structure-of-Tin.jpg#100  
Atom
  
  
Number of Protons
37  
99+
50  
99+
Number of Neutrons
48  
99+
69  
99+
Number of Electrons
37  
99+
50  
99+
Radius of an Atom
  
  
Atomic Radius
248.00 pm  
3
140.00 pm  
40
Covalent Radius
220.00 pm  
4
139.00 pm  
99+
Van der Waals Radius
303.00 pm  
4
217.00 pm  
29
Atomic Weight
85.47 amu  
99+
118.71 amu  
99+
Atomic Volume
55.90 cm3/mol  
3
16.30 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Gallium
  
Indium
  
Next Element
Strontium
  
Cesium
  
Valence Electron Potential
9.47 (-eV)  
99+
83.50 (-eV)  
14
Lattice Constant
558.50 pm  
11
583.18 pm  
7
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
28
0.68  
99+
Mechanical
Density
  
  
Density At Room Temperature
1.53 g/cm3  
99+
7.37 g/cm3  
99+
Density When Liquid (at m.p.)
1.46 g/cm3  
99+
6.99 g/cm3  
99+
Tensile Strength
30.00 MPa  
99+
15.00 MPa  
99+
Viscosity
0.00  
23
0.00  
15
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
18
Vapor Pressure at 2000 K
0.00 (Pa)  
35
0.00 (Pa)  
38
Elasticity properties
  
  
Shear Modulus
2.50 GPa  
99+
18.00 GPa  
99+
Bulk Modulus
2.50 GPa  
99+
58.00 GPa  
21
Young's Modulus
2.40 GPa  
99+
50.00 GPa  
39
Poisson Ratio
0.37  
7
0.36  
8
Other Mechanical Properties
Ductile  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
1.53  
99+
7.31  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
30
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
128.00 nΩ·m  
26
115.00 nΩ·m  
28
Electrical Conductivity
0.08 106/cm Ω  
29
0.09 106/cm Ω  
28
Electron Affinity
46.90 kJ/mol  
29
107.30 kJ/mol  
9
Thermal
Specific Heat
0.36 J/(kg K)  
17
0.23 J/(kg K)  
28
Molar Heat Capacity
31.06 J/mol·K  
7
27.11 J/mol·K  
26
Thermal Conductivity
58.20 W/m·K  
26
66.80 W/m·K  
25
Critical Temperature
2,093.00 K  
18
505.00 K  
99+
Thermal Expansion
90.00 µm/(m·K)  
2
22.00 µm/(m·K)  
21
Enthalpy
  
  
Enthalpy of Vaporization
69.20 kJ/mol  
99+
290.40 kJ/mol  
99+
Enthalpy of Fusion
2.19 kJ/mol  
99+
7.03 kJ/mol  
99+
Enthalpy of Atomization
82.00 kJ/mol  
99+
301.30 kJ/mol  
99+
Standard Molar Entropy
76.80 J/mol.K  
5
51.20 J/mol.K  
40
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