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Plutonium

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Protactinium

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Plutonium

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Protactinium

Physical Properties of Plutonium and Protactinium

Plutonium Metal

Plutonium

Protactinium Electron Configuration

Protactinium

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1 Physical

1.1 Melting Point

639.50 °C1,568.00 °C

27 3410

1.2 Boiling Point

3,235.00 °C4,027.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery White

Silver

1.3.3 Luster

NA

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NANA

0.2 8.5

1.4.2 Brinell Hardness

NANA

0.14 3490

1.4.3 Vickers Hardness

NANA

121 3430

1.5 Speed of Sound

2,260.00 m/sNA

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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Lawrencium

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