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Promethium

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Molybdenum

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Promethium

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Molybdenum

Physical Properties of Promethium and Molybdenum

Promethium Electron Configuration

Promethium

Molybdenum Metal

Molybdenum

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1 Physical

1.1 Melting Point

1,042.00 °C2,617.00 °C

27 3410

1.2 Boiling Point

3,000.00 °C4,612.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Unknown

Gray

1.3.3 Luster

Metallic

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NA5.50

0.2 8.5

1.4.2 Brinell Hardness

NA1,370.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NA1,400.00 MPa

121 3430

1.5 Speed of Sound

NA5,400.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA58.00 %

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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