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Terbium
Terbium

Protactinium
Protactinium



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Terbium
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Protactinium

Physical Properties of Terbium and Protactinium

1 Physical
1.1 Melting Point
1,356.00 °C1,568.00 °C
Physical Properties of Francium
27 3410
1.2 Boiling Point
3,123.00 °C4,027.00 °C
Physical Properties of Flerovium
147 5660
1.3 Appearance
1.3.1 Physical State
Solid
Solid
1.3.2 Color
Silvery White
Silver
1.3.3 Luster
Metallic
Metallic
1.4 Hardness
1.4.1 Mohs Hardness
NANA
Physical Properties of Cesium
0.2 8.5
1.4.2 Brinell Hardness
677.00 MPaNA
Physical Properties of Cesium
0.14 3490
1.4.3 Vickers Hardness
863.00 MPaNA
Physical Properties of Palladium
121 3430
1.5 Speed of Sound
2,620.00 m/sNA
Physical Properties of Thallium
818 16200
1.6 Optical Properties
1.6.1 Refractive Index
NANA
Physical Properties of Mercury
1.000933 1.7229
1.6.2 Reflectivity
NANA
Physical Properties of Molybdenum
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