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Chromium

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Copper

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Chromium

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Physical Properties of Chromium and Copper

Chromium Metal

Chromium

Copper Metal

Copper

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1 Physical

1.1 Melting Point

1,857.00 °C1,084.62 °C

27 3410

1.2 Boiling Point

2,672.00 °C2,562.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Copper

1.3.3 Luster

Metallic

NA

1.4 Hardness

1.4.1 Mohs Hardness

8.503.00

0.2 8.5

1.4.2 Brinell Hardness

687.00 MPa235.00 MPa

0.14 3490

1.4.3 Vickers Hardness

1,060.00 MPa343.00 MPa

121 3430

1.5 Speed of Sound

5,940.00 m/s3,810.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA90.00 %

58 97

1.7 Allotropes

✔ ✘

✔ ✘

1.7.1 α Allotropes

Not Available

Not Available

1.7.2 β Allotropes

Not Available

Not Available

1.7.3 γ Allotropes

Not Available

Not Available

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