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Lawrencium

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Praseodymium

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Lawrencium

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Praseodymium

Physical Properties of Lawrencium and Praseodymium

Lawrencium Electron Configuration

Lawrencium

Praseodymium Metal

Praseodymium

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1 Physical

1.1 Melting Point

1,627.00 °C935.00 °C

27 3410

1.2 Boiling Point

NA3,130.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Grayish White

1.3.3 Luster

Unknown Luster

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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