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Tin vs Potassium


Tin
Potassium vs Tin


Periodic Table

Symbol
Sn   
K   

Group Number
14   
4
1   
17

Period Number
5   
4   

Block
p block   
s block   

Element Family
Post-​Transition   
Alkali   

CAS Number
7440315   
99+
7440097   
99+

Space Group Name
I41/amd   
Im_ 3m   

Space Group Number
141.00   
7
229.00   
1

Facts

Interesting Facts
  • 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.
  
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  

Sources
Found in Minerals, Mining   
Found in Minerals, Mining   

History
  
  

Who Discovered
Unknown   
Humphry Davy   

Discovery
Before 3500 BC   
In 1807   

Abundance
  
  

Abundance In Universe
4 * 10-7 %   
20
3 * 10-4 %   
9

Abundance In Sun
~0.0000009 %   
19
~0.0004 %   
9

Abundance In Meteorites
0.00 %   
24
0.07 %   
9

Abundance In Earth's Crust
0.00 %   
34
1.50 %   
6

Abundance In Oceans
0.00 %   
26
0.04 %   
3

Abundance In Humans
0.00 %   
13
0.20 %   
2

Uses

Uses & Benefits
  • 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.
  
  • Potassium’s compounds are in high demand for their application in Fertilizer manufacturing.
  • Potassium carbonate is used in glass manufacturing and Potassium carbonate in manufacturing detergent and body wash.
  

Industrial Uses
Automobile Industry, Chemical Industry, Food Industry   
Ammunition Industry, Chemical Industry   

Medical Uses
Dentistry   
Pharmaceutical Industry   

Other Uses
NA   
NA   

Biological Properties
  
  

Toxicity
Non Toxic   
Toxic   

Present in Human Body
Yes   
Yes   

In Blood
0.38 Blood/mg dm-3   
10
1,620.00 Blood/mg dm-3   
2

In Bone
1.40 p.p.m.   
16
2,100.00 p.p.m.   
3

Physical Properties

Melting Point
231.90 °C   
99+
63.65 °C   
99+

Boiling Point
2,270.00 °C   
99+
774.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery Gray   

Luster
NA   
NA   

Hardness
  
  

Mohs Hardness
1.50   
18
0.40   
23

Brinell Hardness
50.00 MPa   
99+
0.36 MPa   
99+

Speed of Sound
2,730.00 m/s   
32
2,000.00 m/s   
99+

Optical Properties
  
  

Allotropes
Yes   
No   

α Allotropes
Grey Tin (alpha Tin, Tin Pest)   
Not Available   

β Allotropes
White Tin (Beta Tin)   
Not Available   

γ Allotropes
Rhombic Tin (gamma Tin)   
Not Available   

Chemical Properties

Chemical Formula
Sn   
K   

Isotopes
  
  

Known Isotopes
35   
4
20   
19

Electronegativity
  
  

Pauling Electronegativity
1.96   
8
0.82   
99+

Sanderson Electronegativity
1.49   
15
0.45   
31

Allred Rochow Electronegativity
1.72   
4
0.91   
39

Mulliken-Jaffe Electronegativity
2.21   
3
0.73   
23

Allen Electronegativity
1.82   
11
0.73   
99+

Electropositivity
  
  

Pauling Electropositivity
2.04   
99+
3.18   
3

Ionization Energies
  
  

1st Energy Level
708.60 kJ/mol   
33
418.80 kJ/mol   
99+

2nd Energy Level
1,411.80 kJ/mol   
99+
3,052.00 kJ/mol   
5

3rd Energy Level
2,943.00 kJ/mol   
30
4,420.00 kJ/mol   
8

4th Energy Level
3,930.30 kJ/mol   
99+
5,877.00 kJ/mol   
9

5th Energy Level
7,456.00 kJ/mol   
13
7,975.00 kJ/mol   
8

6th Energy Level
Not Available   
9,590.00 kJ/mol   
13

7th Energy level
Not Available   
11,343.00 kJ/mol   
17

8th Energy Level
Not Available   
14,944.00 kJ/mol   
13

9th Energy Level
Not Available   
16,963.70 kJ/mol   
15

10th Energy Level
Not Available   
48,610.00 kJ/mol   
3

11th Energy Level
Not Available   
54,490.00 kJ/mol   
4

12th Energy Level
Not Available   
60,730.00 kJ/mol   
4

13th Energy Level
Not Available   
68,950.00 kJ/mol   
4

14th Energy Level
Not Available   
75,900.00 kJ/mol   
5

15th Energy Level
Not Available   
83,080.00 kJ/mol   
6

16th Energy Level
Not Available   
93,400.00 kJ/mol   
7

17th Energy Level
Not Available   
99,710.00 kJ/mol   
8

Electrochemical Equivalent
1.11 g/amp-hr   
99+
1.46 g/amp-hr   
99+

Electron Work Function
4.42 eV   
16
2.30 eV   
99+

Other Chemical Properties
Ionization, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   

Atomic Properties

Atomic Number
50   
99+
19   
99+

Electron Configuration
[Kr] 4d10 5s2 5p2   
[Ar] 4s1   

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

Crystal Lattice
TETR-Crystal-Structure-of-Tin.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
50   
99+
19   
99+

Number of Neutrons
69   
99+
20   
99+

Number of Electrons
50   
99+
19   
99+

Radius of an Atom
  
  

Atomic Radius
140.00 pm   
38
227.00 pm   
3

Covalent Radius
139.00 pm   
99+
203.00 pm   
9

Van der Waals Radius
217.00 pm   
23
275.00 pm   
5

Atomic Weight
118.71 amu   
99+
39.10 amu   
99+

Atomic Volume
16.30 cm3/mol   
32
45.46 cm3/mol   
3

Adjacent Atomic Numbers
  
  

Previous Element
Indium
  
Aluminium
  

Next Element
Cesium
  
Calcium
  

Valence Electron Potential
83.50 (-eV)   
14
10.40 (-eV)   
99+

Lattice Constant
583.18 pm   
7
532.80 pm   
12

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

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
7.37 g/cm3   
99+
0.86 g/cm3   
99+

Density When Liquid (at m.p.)
6.99 g/cm3   
34
0.83 g/cm3   
99+

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
17
Not Available   

Elasticity properties
  
  

Shear Modulus
18.00 GPa   
36
1.30 GPa   
99+

Bulk Modulus
58.00 GPa   
20
3.10 GPa   
99+

Young's Modulus
50.00 GPa   
36
3.53 GPa   
99+

Poisson Ratio
0.36   
8
Not Available   

Other Mechanical Properties
Ductile, Malleable   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
7.31   
99+
0.86   
99+

Magnetic Ordering
Diamagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Superconductor   
Conductor   

Resistivity
115.00 nΩ·m   
28
72.00 nΩ·m   
37

Electrical Conductivity
0.09 106/cm Ω   
23
0.14 106/cm Ω   
14

Electron Affinity
107.30 kJ/mol   
8
48.40 kJ/mol   
22

Thermal Properties

Specific Heat
0.23 J/(kg K)   
28
0.75 J/(kg K)   
6

Molar Heat Capacity
27.11 J/mol·K   
20
29.60 J/mol·K   
6

Thermal Conductivity
66.80 W/m·K   
25
102.50 W/m·K   
15

Critical Temperature
Not Available   
2,223.00 K   
3

Thermal Expansion
22.00 µm/(m·K)   
20
83.30 µm/(m·K)   
3

Enthalpy
  
  

Enthalpy of Vaporization
290.40 kJ/mol   
32
77.50 kJ/mol   
99+

Enthalpy of Fusion
7.03 kJ/mol   
99+
2.32 kJ/mol   
99+

Enthalpy of Atomization
301.30 kJ/mol   
35
89.50 kJ/mol   
99+

Standard Molar Entropy
51.20 J/mol.K   
29
64.70 J/mol.K   
18

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