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Neptunium

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Tungsten

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Neptunium

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Tungsten

Physical Properties of Neptunium and Tungsten

Neptunium Electron Configuration

Neptunium

Tungsten Metal

Tungsten

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1 Physical

1.1 Melting Point

640.00 °C3,410.00 °C

27 3410

1.2 Boiling Point

3,902.00 °C5,660.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Grayish White

1.3.3 Luster

Metallic

Lustrous

1.4 Hardness

1.4.1 Mohs Hardness

NA7.50

0.2 8.5

1.4.2 Brinell Hardness

NA2,000.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA3,430.00 MPa

121 3430

1.5 Speed of Sound

NA4,620.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA62.00 %

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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