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Aluminium

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Radium

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Aluminium

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Physical Properties of Aluminium and Radium

Aluminium Metal

Aluminium

Radium Metal

Radium

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1 Physical

1.1 Melting Point

660.37 °C700.00 °C

27 3410

1.2 Boiling Point

2,467.00 °C1,737.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery Gray

Silvery White

1.3.3 Luster

Metallic

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

2.75NA

0.2 8.5

1.4.2 Brinell Hardness

160.00 MPaNA

0.14 3490

1.4.3 Vickers Hardness

160.00 MPaNA

121 3430

1.5 Speed of Sound

5,000.00 m/sNA

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

71.00 %NA

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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