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Thorium

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Molybdenum

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Thorium

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Physical Properties of Thorium and Molybdenum

Thorium Metal

Thorium

Molybdenum Metal

Molybdenum

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1 Physical

1.1 Melting Point

1,750.00 °C2,617.00 °C

27 3410

1.2 Boiling Point

4,790.00 °C4,612.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Gray

1.3.3 Luster

NA

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

3.005.50

0.2 8.5

1.4.2 Brinell Hardness

390.00 MPa1,370.00 MPa

0.14 3490

1.4.3 Vickers Hardness

295.00 MPa1,400.00 MPa

121 3430

1.5 Speed of Sound

2,490.00 m/s5,400.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA58.00 %

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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