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Protactinium

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Rhodium

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Protactinium

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Rhodium

Physical Properties of Protactinium and Rhodium

Protactinium Electron Configuration

Protactinium

Rhodium Metal

Rhodium

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1 Physical

1.1 Melting Point

1,568.00 °C1,966.00 °C

27 3410

1.2 Boiling Point

4,027.00 °C3,727.00 °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

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NA6.00

0.2 8.5

1.4.2 Brinell Hardness

NA980.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA1,100.00 MPa

121 3430

1.5 Speed of Sound

NA4,700.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA84.00 %

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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