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Potassium
Potassium

Chromium
Chromium



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Potassium
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Chromium

Potassium vs Chromium

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

Uses

Uses & Benefits

Industrial Uses

Medical Uses

Other Uses

Toxicity

Present in Human Body

In Blood

In Bone

Physical

Melting Point

Boiling Point

Physical State

Color

Luster

Mohs Hardness

Brinell Hardness

Vickers Hardness

Speed of Sound

Refractive Index

Reflectivity

Allotropes

α Allotropes

β Allotropes

γ Allotropes

Chemical

Chemical Formula

Known Isotopes

Pauling Electronegativity

Sanderson Electronegativity

Allred Rochow Electronegativity

Mulliken-Jaffe Electronegativity

Allen Electronegativity

Pauling Electropositivity

1st Energy Level

2nd Energy Level

3rd Energy Level

4th Energy Level

5th Energy Level

6th Energy Level

7th Energy level

8th Energy Level

9th Energy Level

10th Energy Level

11th Energy Level

12th Energy Level

13th Energy Level

14th Energy Level

15th Energy Level

16th Energy Level

17th Energy Level

18th Energy Level

19th Energy Level

20th Energy Level

21st Energy Level

22nd Energy Level

23rd Energy Level

24th Energy Level

25th Energy Level

26th Energy Level

27th Energy Level

28th Energy Level

29th Energy Level

30th Energy Level

Electrochemical Equivalent

Electron Work Function

Other Chemical Properties

Atomic

Atomic Number

Electron Configuration

Crystal Structure

Crystal Lattice

Number of Protons

Number of Neutrons

Number of Electrons

Atomic Radius

Covalent Radius

Van der Waals Radius

Atomic Weight

Atomic Volume

Previous Element

Next Element

Valence Electron Potential

Lattice Constant

Lattice Angles

Lattice C/A Ratio

Mechanical

Density At Room Temperature

Density When Liquid (at m.p.)

Tensile Strength

Viscosity

Vapor Pressure at 1000 K

Vapor Pressure at 2000 K

Shear Modulus

Bulk Modulus

Young's Modulus

Poisson Ratio

Other Mechanical Properties

Magnetic

Specific Gravity

Magnetic Ordering

Permeability

Susceptibility

Electrical Property

Resistivity

Electrical Conductivity

Electron Affinity

Thermal

Specific Heat

Molar Heat Capacity

Thermal Conductivity

Critical Temperature

Thermal Expansion

Enthalpy of Vaporization

Enthalpy of Fusion

Enthalpy of Atomization

Standard Molar Entropy

 
K
1
4
s block
Alkali
7440097
Im_ 3m
229.00
 
  • In the list of most abundant element Potassium is ranked 7th.
  • Potassium can easily be sliced (chopped) down using knife.
Found in Minerals, Mining
Humphry Davy
In 1807
0.00 %
0.00 %
0.07 %
1.50 %
0.04 %
0.20 %
 
  • 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.
Ammunition Industry, Chemical Industry
Pharmaceutical Industry
-
Toxic
1,620.00 Blood/mg dm-3
2,100.00 p.p.m.
 
63.65 °C
774.00 °C
Solid
Silvery Gray
-
0.40
0.36 MPa
100.00 MPa
2,000.00 m/s
1.33
72.00 %
-
-
-
 
K
20
0.82
0.45
0.91
0.73
0.73
3.18
418.80 kJ/mol
3,052.00 kJ/mol
4,420.00 kJ/mol
5,877.00 kJ/mol
7,975.00 kJ/mol
9,590.00 kJ/mol
11,343.00 kJ/mol
14,944.00 kJ/mol
16,963.70 kJ/mol
48,610.00 kJ/mol
54,490.00 kJ/mol
60,730.00 kJ/mol
68,950.00 kJ/mol
75,900.00 kJ/mol
83,080.00 kJ/mol
93,400.00 kJ/mol
99,710.00 kJ/mol
4,196.00 kJ/mol
419.20 kJ/mol
419.00 kJ/mol
419.20 kJ/mol
419.00 kJ/mol
419.20 kJ/mol
419.20 kJ/mol
419.20 kJ/mol
419.20 kJ/mol
419.20 kJ/mol
419.20 kJ/mol
419.20 kJ/mol
419.00 kJ/mol
1.46 g/amp-hr
2.30 eV
Chemical Stability, Flammability, Ionization, Solubility
 
19
[Ar] 4s1
Body Centered Cubic (BCC)
BCC-Crystal-Structure-.jpg#100
19
20
19
227.00 pm
203.00 pm
275.00 pm
39.10 amu
45.46 cm3/mol
17
12
10.40 (-eV)
532.80 pm
π/2, π/2, π/2
1.69
 
0.86 g/cm3
0.83 g/cm3
16.00 MPa
0.00
0.00 (Pa)
0.00 (Pa)
1.30 GPa
3.10 GPa
3.53 GPa
0.35
-
 
0.86
Paramagnetic
0.00 H/m
0.00
Conductor
72.00 nΩ·m
0.14 106/cm Ω
48.40 kJ/mol
 
0.75 J/(kg K)
29.60 J/mol·K
102.50 W/m·K
2,223.00 K
83.30 µm/(m·K)
77.50 kJ/mol
2.32 kJ/mol
89.50 kJ/mol
64.70 J/mol.K
 
Cr
6
4
d block
Transition Metal
7440473
Im_ 3m
229.00
 
  • Chromium is highly reactive, hence it is not found free in nature.
  • Ores of Chromites mineral are the major source of Chromium metal.
  • Almost 90% leather tanning is done with the help of chromium.
Found in Minerals, Mining, Ores of metals, Ores of Minerals
Louis Nicolas Vauquelin
In Between 1797 - 1798
0.00 %
0.00 %
0.30 %
0.01 %
0.00 %
0.00 %
 
  • It is used to harden the steel and produces a stainless steel and other various alloys.
  • It is also used to give proper finish to polished mirrors. Its chromium plates are used in bathroom fittings.
Automobile Industry, Chemical Industry
-
Alloys
Highly Toxic
0.11 Blood/mg dm-3
0.33 p.p.m.
 
1,857.00 °C
2,672.00 °C
Solid
Silver
Metallic
8.50
687.00 MPa
1,060.00 MPa
5,940.00 m/s
2.97
70.00 %
-
-
-
 
Cr
21
1.66
1.66
1.56
1.66
1.65
2.34
26,130.00 kJ/mol
28,750.00 kJ/mol
34,230.00 kJ/mol
37,066.00 kJ/mol
97,510.00 kJ/mol
105,800.00 kJ/mol
114,300.00 kJ/mol
125,300.00 kJ/mol
134,700.00 kJ/mol
144,300.00 kJ/mol
26,130.00 kJ/mol
28,750.00 kJ/mol
34,230.00 kJ/mol
37,066.00 kJ/mol
97,510.00 kJ/mol
105,800.00 kJ/mol
114,300.00 kJ/mol
125,300.00 kJ/mol
134,700.00 kJ/mol
144,300.00 kJ/mol
157,700.00 kJ/mol
166,090.00 kJ/mol
653.80 kJ/mol
653.80 kJ/mol
653.80 kJ/mol
653.80 kJ/mol
652.90 kJ/mol
653.80 kJ/mol
653.80 kJ/mol
653.80 kJ/mol
0.32 g/amp-hr
4.50 eV
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility
 
24
[Ar] 3d5 4s1
Body Centered Cubic (BCC)
BCC-Crystal-Structure-.jpg#100
24
28
24
128.00 pm
139.00 pm
200.00 pm
52.00 amu
7.23 cm3/mol
39
31
170.00 (-eV)
291.00 pm
π/2, π/2, π/2
1.86
 
7.19 g/cm3
6.30 g/cm3
689.00 MPa
0.00
0.00 (Pa)
774.00 (Pa)
115.00 GPa
160.00 GPa
279.00 GPa
0.21
-
 
7.19
Antiferromagnetic
0.00 H/m
0.00
-
125.00 nΩ·m
0.08 106/cm Ω
64.30 kJ/mol
 
0.45 J/(kg K)
23.35 J/mol·K
93.90 W/m·K
1,907.00 K
4.90 µm/(m·K)
348.80 kJ/mol
15.31 kJ/mol
397.50 kJ/mol
23.80 J/mol.K