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Technetium

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Dysprosium

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Technetium

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Physical Properties of Technetium and Dysprosium

Technetium Metal

Technetium

Dysprosium Metal

Dysprosium

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1 Physical

1.1 Melting Point

2,200.00 °C1,407.00 °C

27 3410

1.2 Boiling Point

4,877.00 °C2,562.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Shiny Gray

Silvery White

1.3.3 Luster

NA

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NANA

0.2 8.5

1.4.2 Brinell Hardness

NA500.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA540.00 MPa

121 3430

1.5 Speed of Sound

16,200.00 m/s2,710.00 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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