User:Praseodymium-141/Group 8 element

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History[edit]

Iron[edit]

Ruthenium[edit]

Osmium[edit]

Hassium[edit]

Chemical properties[edit]

Compounds[edit]

Physical properties[edit]

Iron[edit]

Ruthenium[edit]

Osmium[edit]

Hassium[edit]

Occurence[edit]

Production[edit]

Applications[edit]

Biological occurrences[edit]

Toxicity and precautions[edit]