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Curium

☒

Praseodymium

☒

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Curium

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Praseodymium

Physical Properties of Curium and Praseodymium

Curium Electron Configuration

Curium

Praseodymium Metal

Praseodymium

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1 Physical

1.1 Melting Point

1,340.00 °C935.00 °C

27 3410

1.2 Boiling Point

3,110.00 °C3,130.00 °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

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NANA

0.2 8.5

1.4.2 Brinell Hardness

NA481.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA400.00 MPa

121 3430

1.5 Speed of Sound

NA2,280.00 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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