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Chromium
Chromium

Cadmium
Cadmium



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Chromium
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Cadmium

Physical Properties of Chromium and Cadmium

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Physical

Melting Point

1,857.00 °C320.90 °C
-38.83 3410
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Boiling Point

2,672.00 °C765.00 °C
0 5660
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Appearance

Physical State

Solid
Solid

Color

Silver
Silvery Bluish-Gray

Luster

Metallic
Metallic

Hardness

Mohs Hardness

8.502.00
0.2 8.5
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Brinell Hardness

687.00 MPa203.00 MPa
0.14 3490
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Vickers Hardness

1,060.00 MPa90.00 MPa
0 3920
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Speed of Sound

5,940.00 m/s2,310.00 m/s
818 16200
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Optical Properties

Refractive Index

2.971.71
0.155 3.41
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Reflectivity

70.00 %67.00 %
5 97
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Allotropes

α Allotropes

-
-

β Allotropes

-
-

γ Allotropes

-
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