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Praseodymium

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Manganese

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Praseodymium

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Physical Properties of Praseodymium and Manganese

Praseodymium Metal

Praseodymium

Manganese Metal

Manganese

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1 Physical

1.1 Melting Point

935.00 °C1,245.00 °C

27 3410

1.2 Boiling Point

3,130.00 °C1,962.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Grayish White

Silver

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

481.00 MPa196.00 MPa

0.14 3490

1.4.3 Vickers Hardness

400.00 MPaNA

121 3430

1.5 Speed of Sound

2,280.00 m/s5,150.00 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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