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Promethium

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Nickel

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Promethium

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Nickel

Physical Properties of Promethium and Nickel

Promethium Electron Configuration

Promethium

Nickel Metal

Nickel

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1 Physical

1.1 Melting Point

1,042.00 °C1,453.00 °C

27 3410

1.2 Boiling Point

3,000.00 °C2,732.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Unknown

Silver

1.3.3 Luster

Metallic

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

NA4,900.00 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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