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Uranium

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Lanthanum

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Uranium

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Lanthanum

Physical Properties of Uranium and Lanthanum

Uranium Metal

Uranium

Lanthanum Metal

Lanthanum

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1 Physical

1.1 Melting Point

1,132.00 °C920.00 °C

27 3410

1.2 Boiling Point

3,818.00 °C3,469.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery Gray

Silvery White

1.3.3 Luster

Metallic

NA

1.4 Hardness

1.4.1 Mohs Hardness

6.002.50

0.2 8.5

1.4.2 Brinell Hardness

2,350.00 MPa350.00 MPa

0.14 3490

1.4.3 Vickers Hardness

1,960.00 MPa360.00 MPa

121 3430

1.5 Speed of Sound

3,155.00 m/s2,475.00 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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