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Technetium

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Cadmium

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Technetium

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Cadmium

Physical Properties of Technetium and Cadmium

Technetium Metal

Technetium

Cadmium Metal

Cadmium

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1 Physical

1.1 Melting Point

2,200.00 °C320.90 °C

27 3410

1.2 Boiling Point

4,877.00 °C765.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Shiny Gray

Silvery Bluish-Gray

1.3.3 Luster

NA

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NA2.00

0.2 8.5

1.4.2 Brinell Hardness

NA203.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NANA

121 3430

1.5 Speed of Sound

16,200.00 m/s2,310.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA67.00 %

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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