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Praseodymium-141/Group 8 element
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Contents
1
History
1.1
Iron
1.2
Ruthenium
1.3
Osmium
1.4
Hassium
2
Chemical properties
2.1
Compounds
3
Physical properties
3.1
Iron
3.2
Ruthenium
3.3
Osmium
3.4
Hassium
4
Occurence
5
Production
6
Applications
7
Biological occurrences
8
Toxicity and precautions
History
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Iron
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Ruthenium
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Osmium
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Hassium
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Chemical properties
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Compounds
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Physical properties
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Iron
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Ruthenium
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Osmium
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Hassium
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Occurence
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Production
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Applications
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Biological occurrences
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Toxicity and precautions
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