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Promethium
Promethium

Neptunium
Neptunium



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Promethium
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Neptunium

Physical Properties of Promethium and Neptunium

1 Physical
1.1 Melting Point
Physical Proper..
1,042.00 °C
Rank: 43 (Overall)
640.00 °C
Rank: 62 (Overall)
Physical Properties of Francium
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1.2 Boiling Point
Physical Proper..
3,000.00 °C
Rank: 31 (Overall)
3,902.00 °C
Rank: 13 (Overall)
Physical Properties of Flerovium
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1.4 Appearance
1.4.1 Physical State
Solid
Solid
1.4.2 Color
Unknown
Silver
1.4.3 Luster
Metallic
Metallic
1.5 Hardness
1.5.1 Mohs Hardness
Physical Proper..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Physical Properties of Cesium
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1.6.1 Brinell Hardness
Physical Proper..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Physical Properties of Cesium
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2.1.1 Vickers Hardness
Physical Proper..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Physical Properties of Palladium
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2.5 Speed of Sound
Physical Proper..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Physical Properties of Thallium
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2.6 Optical Properties
2.6.1 Refractive Index
Physical Proper..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Physical Properties of Mercury
2.7.3 Reflectivity
Physical Proper..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Physical Properties of Molybdenum
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2.8 Allotropes
No Lanthanide Series Metals has it !
No Actinide Series Metals has it !
2.8.1 α Allotropes
Not Available
Not Available
2.8.2 β Allotropes
Not Available
Not Available
2.8.3 γ Allotropes
Not Available
Not Available
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