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Aluminium

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Potassium

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Aluminium

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Physical Properties of Aluminium and Potassium

Aluminium Metal

Aluminium

Potassium Metal

Potassium

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1 Physical

1.1 Melting Point

660.37 °C63.65 °C

27 3410

1.2 Boiling Point

2,467.00 °C774.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silvery Gray

Silvery Gray

1.3.3 Luster

Metallic

NA

1.4 Hardness

1.4.1 Mohs Hardness

2.750.40

0.2 8.5

1.4.2 Brinell Hardness

160.00 MPa0.36 MPa

0.14 3490

1.4.3 Vickers Hardness

160.00 MPaNA

121 3430

1.5 Speed of Sound

5,000.00 m/s2,000.00 m/s

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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