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Technetium

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Nickel

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Technetium

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Physical Properties of Technetium and Nickel

Technetium Metal

Technetium

Nickel Metal

Nickel

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1 Physical

1.1 Melting Point

2,200.00 °C1,453.00 °C

27 3410

1.2 Boiling Point

4,877.00 °C2,732.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Shiny Gray

Silver

1.3.3 Luster

NA

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NA4.00

0.2 8.5

1.4.2 Brinell Hardness

NA667.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA638.00 MPa

121 3430

1.5 Speed of Sound

16,200.00 m/s4,900.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA72.00 %

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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