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Gallium

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Cobalt

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Gallium

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Cobalt

Physical Properties of Gallium and Cobalt

Gallium Electron Configuration

Gallium

Cobalt Metal

Cobalt

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1 Physical

1.1 Melting Point

29.78 °C1,495.00 °C

27 3410

1.2 Boiling Point

2,403.00 °C2,870.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery White

Gray

1.3.3 Luster

Metallic

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

1.505.00

0.2 8.5

1.4.2 Brinell Hardness

56.80 MPa470.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA1,043.00 MPa

121 3430

1.5 Speed of Sound

2,740.00 m/s4,720.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA67.00 %

58 97

1.7 Allotropes

✔ ✘

✔ ✘

1.7.1 α Allotropes

Not Available

α-Cobalt

1.7.2 β Allotropes

Not Available

β-Cobalt

1.7.3 γ Allotropes

Not Available

Not Available

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