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Physical Properties of Potassium and Iron
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Potassium
Iron
Physical Properties of Iron and Potassium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
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Physical Properties
Melting Point
63.65 °C
99+
1,535.00 °C
25
Boiling Point
774.00 °C
99+
2,750.00 °C
37
Appearance
Physical State
Solid
Solid
Color
Silvery Gray
Gray
Luster
NA
Metallic
Hardness
Mohs Hardness
0.40
23
4.00
10
Brinell Hardness
0.36 MPa
99+
200.00 MPa
40
Vickers Hardness
Not Available
608.00 MPa
18
Speed of Sound
2,000.00 m/s
99+
5,120.00 m/s
8
Optical Properties
Reflectivity
Not Available
65.00 %
12
Allotropes
No
Yes
α Allotropes
Not Available
Ferrite (alpha Iron)
β Allotropes
Not Available
beta Iron
γ Allotropes
Not Available
gamma Iron
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