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Gallium

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Terbium

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Gallium

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Terbium

Physical Properties of Gallium and Terbium

Gallium Electron Configuration

Gallium

Terbium Metal

Terbium

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1 Physical

1.1 Melting Point

29.78 °C1,356.00 °C

27 3410

1.2 Boiling Point

2,403.00 °C3,123.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery White

Silvery White

1.3.3 Luster

Metallic

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

1.50NA

0.2 8.5

1.4.2 Brinell Hardness

56.80 MPa677.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA863.00 MPa

121 3430

1.5 Speed of Sound

2,740.00 m/s2,620.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NANA

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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