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Hafnium

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Darmstadtium

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Hafnium

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Darmstadtium

Physical Properties of Hafnium and Darmstadtium

Hafnium Metal

Hafnium

Darmstadtium Metal

Darmstadtium

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1 Physical

1.1 Melting Point

2,150.00 °CNA

27 3410

1.2 Boiling Point

5,400.00 °CNA

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Gray

Unknown

1.3.3 Luster

Metallic

Unknown Luster

1.4 Hardness

1.4.1 Mohs Hardness

5.50NA

0.2 8.5

1.4.2 Brinell Hardness

1,450.00 MPaNA

0.14 3490

1.4.3 Vickers Hardness

1,520.00 MPaNA

121 3430

1.5 Speed of Sound

3,010.00 m/s5,090.00 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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