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Tantalum

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Lawrencium

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Tantalum

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Lawrencium

Physical Properties of Tantalum and Lawrencium

Tantalum Metal

Tantalum

Lawrencium Electron Configuration

Lawrencium

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1 Physical

1.1 Melting Point

2,996.00 °C1,627.00 °C

27 3410

1.2 Boiling Point

5,425.00 °CNA

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Gray Blue

Silver

1.3.3 Luster

Metallic

Unknown Luster

1.4 Hardness

1.4.1 Mohs Hardness

6.50NA

0.2 8.5

1.4.2 Brinell Hardness

440.00 MPaNA

0.14 3490

1.4.3 Vickers Hardness

870.00 MPaNA

121 3430

1.5 Speed of Sound

3,400.00 m/sNA

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

78.00 %NA

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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