Home
 Compare Metals

Potassium vs Zinc

Potassium
Zinc
Zinc vs Potassium


Periodic Table
Symbol
K  
Zn  
Group Number
1  
17
12  
6
Period Number
4  
4  
Block
s block  
d block  
Element Family
Alkali  
Transition Metal  
CAS Number
7440097  
99+
7440666  
24
Space Group Name
Im_ 3m  
P63/mmc  
Space Group Number
229.00  
1
194.00  
5
Facts
Interesting Facts
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
  
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
  
Sources
Found in Minerals, Mining  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Humphry Davy  
Indian metallurgists  
Discovery
In 1807  
Before 1000 BCE  
Abundance
  
  
Abundance In Universe
3 * 10-4 %  
9
3 * 10-5 %  
11
Abundance In Sun
~0.0004 %  
9
~0.0002 %  
10
Abundance In Meteorites
0.07 %  
9
0.02 %  
12
Abundance In Earth's Crust
1.50 %  
6
0.01 %  
16
Abundance In Oceans
0.04 %  
3
0.00 %  
10
Abundance In Humans
0.20 %  
2
0.00 %  
6
Uses
Uses & Benefits
  • 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.
  
  • It is mainly used for Galvanizing other metals.
  • It is also used for manufacturing die-casting and it is very essential for automobile industry.
  
Industrial Uses
Ammunition Industry, Chemical Industry  
Electrical Industry, Electronic Industry  
Medical Uses
Pharmaceutical Industry  
Pharmaceutical Industry  
Other Uses
NA  
Alloys  
Biological Properties
  
  
Toxicity
Toxic  
Highly Toxic  
Present in Human Body
Yes  
Yes  
In Blood
1,620.00 Blood/mg dm-3  
2
7.00 Blood/mg dm-3  
6
In Bone
2,100.00 p.p.m.  
3
170.00 p.p.m.  
6
Physical Properties
Melting Point
63.65 °C  
99+
419.58 °C  
99+
Boiling Point
774.00 °C  
99+
907.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery Gray  
Luster
NA  
Metallic  
Hardness
  
  
Mohs Hardness
0.40  
23
2.50  
14
Brinell Hardness
0.36 MPa  
99+
327.00 MPa  
32
Speed of Sound
2,000.00 m/s  
99+
3,850.00 m/s  
18
Optical Properties
  
  
Refractive Index
Not Available  
1.00  
2
Reflectivity
Not Available  
80.00 %  
5
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
K  
Zn  
Isotopes
  
  
Known Isotopes
20  
19
25  
14
Electronegativity
  
  
Pauling Electronegativity
0.82  
99+
1.65  
19
Sanderson Electronegativity
0.45  
31
2.23  
6
Allred Rochow Electronegativity
0.91  
39
1.66  
7
Mulliken-Jaffe Electronegativity
0.73  
23
1.65  
11
Allen Electronegativity
0.73  
99+
1.59  
22
Electropositivity
  
  
Pauling Electropositivity
3.18  
3
2.35  
35
Ionization Energies
  
  
1st Energy Level
418.80 kJ/mol  
99+
906.40 kJ/mol  
6
2nd Energy Level
3,052.00 kJ/mol  
5
1,733.30 kJ/mol  
27
3rd Energy Level
4,420.00 kJ/mol  
8
3,833.00 kJ/mol  
12
4th Energy Level
5,877.00 kJ/mol  
9
5,731.00 kJ/mol  
11
5th Energy Level
7,975.00 kJ/mol  
8
7,970.00 kJ/mol  
9
6th Energy Level
9,590.00 kJ/mol  
13
10,400.00 kJ/mol  
9
7th Energy level
11,343.00 kJ/mol  
17
12,900.00 kJ/mol  
9
8th Energy Level
14,944.00 kJ/mol  
13
16,800.00 kJ/mol  
6
9th Energy Level
16,963.70 kJ/mol  
15
19,600.00 kJ/mol  
8
10th Energy Level
48,610.00 kJ/mol  
3
23,000.00 kJ/mol  
10
11th Energy Level
54,490.00 kJ/mol  
4
26,400.00 kJ/mol  
11
12th Energy Level
60,730.00 kJ/mol  
4
29,990.00 kJ/mol  
11
13th Energy Level
68,950.00 kJ/mol  
4
40,490.00 kJ/mol  
5
14th Energy Level
75,900.00 kJ/mol  
5
43,800.00 kJ/mol  
6
15th Energy Level
83,080.00 kJ/mol  
6
47,300.00 kJ/mol  
8
16th Energy Level
93,400.00 kJ/mol  
7
52,300.00 kJ/mol  
9
17th Energy Level
99,710.00 kJ/mol  
8
55,900.00 kJ/mol  
10
18th Energy Level
Not Available  
59,700.00 kJ/mol  
11
19th Energy Level
Not Available  
67,300.00 kJ/mol  
10
20th Energy Level
Not Available  
171,200.00 kJ/mol  
1
21st Energy Level
Not Available  
179,100.00 kJ/mol  
1
Electrochemical Equivalent
1.46 g/amp-hr  
99+
1.22 g/amp-hr  
99+
Electron Work Function
2.30 eV  
99+
4.33 eV  
17
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility  
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes  
Atomic Properties
Atomic Number
19  
99+
30  
99+
Electron Configuration
[Ar] 4s1  
[Ar] 3d10 4s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Zinc.jpg#100  
Atom
  
  
Number of Protons
19  
99+
30  
99+
Number of Neutrons
20  
99+
35  
99+
Number of Electrons
19  
99+
30  
99+
Radius of an Atom
  
  
Atomic Radius
227.00 pm  
3
134.00 pm  
99+
Covalent Radius
203.00 pm  
9
122.00 pm  
99+
Van der Waals Radius
275.00 pm  
5
139.00 pm  
99+
Atomic Weight
39.10 amu  
99+
65.38 amu  
99+
Atomic Volume
45.46 cm3/mol  
3
9.20 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Aluminium
  
Copper
  
Next Element
Calcium
  
Gallium
  
Valence Electron Potential
10.40 (-eV)  
99+
38.90 (-eV)  
99+
Lattice Constant
532.80 pm  
12
266.49 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
0.86 g/cm3  
99+
7.14 g/cm3  
99+
Density When Liquid (at m.p.)
0.83 g/cm3  
99+
6.57 g/cm3  
37
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
1.30 GPa  
99+
43.00 GPa  
18
Bulk Modulus
3.10 GPa  
99+
70.00 GPa  
19
Young's Modulus
3.53 GPa  
99+
108.00 GPa  
19
Poisson Ratio
Not Available  
0.25  
24
Other Mechanical Properties
NA  
NA  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
0.86  
99+
6.90  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
72.00 nΩ·m  
37
59.00 nΩ·m  
40
Electrical Conductivity
0.14 106/cm Ω  
14
0.17 106/cm Ω  
12
Electron Affinity
48.40 kJ/mol  
22
0.00 kJ/mol  
40
Thermal Properties
Specific Heat
0.75 J/(kg K)  
6
0.39 J/(kg K)  
14
Molar Heat Capacity
29.60 J/mol·K  
6
25.47 J/mol·K  
39
Thermal Conductivity
102.50 W/m·K  
15
116.00 W/m·K  
14
Critical Temperature
2,223.00 K  
3
Not Available  
Thermal Expansion
83.30 µm/(m·K)  
3
30.20 µm/(m·K)  
11
Enthalpy
  
  
Enthalpy of Vaporization
77.50 kJ/mol  
99+
7.32 kJ/mol  
99+
Enthalpy of Fusion
2.32 kJ/mol  
99+
7.32 kJ/mol  
99+
Enthalpy of Atomization
89.50 kJ/mol  
99+
129.70 kJ/mol  
99+
Standard Molar Entropy
64.70 J/mol.K  
18
41.60 J/mol.K  
36
Periodic Table >>
<< All

Compare All Metals

All Metals

All Metals

Compare All Metals

Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!