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Hafnium

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Scandium

☒

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Hafnium

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Scandium

Physical Properties of Hafnium and Scandium

Hafnium Metal

Hafnium

Scandium Metal

Scandium

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1 Physical

1.1 Melting Point

2,150.00 °C1,539.00 °C

27 3410

1.2 Boiling Point

5,400.00 °C2,832.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Gray

Silvery White

1.3.3 Luster

Metallic

Lustrous

1.4 Hardness

1.4.1 Mohs Hardness

5.50NA

0.2 8.5

1.4.2 Brinell Hardness

1,450.00 MPa750.00 MPa

0.14 3490

1.4.3 Vickers Hardness

1,520.00 MPaNA

121 3430

1.5 Speed of Sound

3,010.00 m/sNA

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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