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Protactinium

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Zirconium

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Protactinium

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Zirconium

Physical Properties of Protactinium and Zirconium

Protactinium Electron Configuration

Protactinium

Zirconium Metal

Zirconium

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1 Physical

1.1 Melting Point

1,568.00 °C1,852.00 °C

27 3410

1.2 Boiling Point

4,027.00 °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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