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Ytterbium

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Praseodymium

☒

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Ytterbium

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Praseodymium

Physical Properties of Ytterbium and Praseodymium

Ytterbium Metal

Ytterbium

Praseodymium Metal

Praseodymium

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1 Physical

1.1 Melting Point

824.00 °C935.00 °C

27 3410

1.2 Boiling Point

1,196.00 °C3,130.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery White

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

343.00 MPa481.00 MPa

0.14 3490

1.4.3 Vickers Hardness

206.00 MPa400.00 MPa

121 3430

1.5 Speed of Sound

1,590.00 m/s2,280.00 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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