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Thorium

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Osmium

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Thorium

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Osmium

Physical Properties of Thorium and Osmium

Thorium Metal

Thorium

Osmium Metal

Osmium

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1 Physical

1.1 Melting Point

1,750.00 °C3,045.00 °C

27 3410

1.2 Boiling Point

4,790.00 °C5,027.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Silvery Bluish-Gray

1.3.3 Luster

NA

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

3.007.00

0.2 8.5

1.4.2 Brinell Hardness

390.00 MPa3,490.00 MPa

0.14 3490

1.4.3 Vickers Hardness

295.00 MPaNA

121 3430

1.5 Speed of Sound

2,490.00 m/s4,940.00 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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Thorium Metal

Neptunium Electron Configuration

Thorium vs Neptunium

Thorium Metal

Americium Metal

Thorium vs Americium

Thorium Metal

Lawrencium Electron Configuration

Thorium vs Lawrencium

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Lawrencium Electron Configuration

Lawrencium

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Curium Electron Configuration

Curium

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Nobelium Metal

Nobelium

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Osmium Metal

Californium Electron Configuration

Osmium vs Californium

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Osmium Metal

Einsteinium Metal

Osmium vs Einsteinium

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Osmium Metal

Actinium Metal

Osmium vs Actinium

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