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Francium
Francium




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Francium fisik Properties

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fisik

leleh Point

27.00 ° C
Rank: 81 (Overall)
-38.83 3410
👆🏻

Boiling Point

677.00 ° C
Rank: 78 (Overall)
0 5660
👆🏻

katon

State fisik

Solid

warna

-

luster

-

atose

Mohs atose

0.20
Rank: 27 (Overall)
0.2 8.5
👆🏻

Brinell atose

119.00 MPa
Rank: 59 (Overall)
0.14 3490
👆🏻

Vickers atose

300.00 MPa
Rank: 46 (Overall)
0 3920
👆🏻

Kacepetan swara

2,440.00 m / s
Rank: 54 (Overall)
818 16200
👆🏻

Properties Optical

bias Index

1.70
Rank: 27 (Overall)
0.155 3.41
👆🏻

reflectivity

72.00 %
Rank: 11 (Overall)
5 97
👆🏻

allotropes

Ora

α allotropes

-

β allotropes

-

γ allotropes

-