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Neptunium

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Zirconium

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Neptunium

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Zirconium

Physical Properties of Neptunium and Zirconium

Neptunium Electron Configuration

Neptunium

Zirconium Metal

Zirconium

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1 Physical

1.1 Melting Point

640.00 °C1,852.00 °C

27 3410

1.2 Boiling Point

3,902.00 °C4,377.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Silvery White

1.3.3 Luster

Metallic

Lustrous

1.4 Hardness

1.4.1 Mohs Hardness

NA5.00

0.2 8.5

1.4.2 Brinell Hardness

NA638.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA820.00 MPa

121 3430

1.5 Speed of Sound

NA3,800.00 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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