- Osmium
This «tough nut» in the world of metals belongs to the platinum group and has a high density. In fact, it is the densest natural element on Earth (22.61 g / cm3). For the same reason, osmium does not melt up to 3033 ° C. When alloyed with other platinum group metals (such as iridium, platinum, and palladium), it can be used in many different applications where hardness and durability are required. For example, to create containers for storing nuclear waste… (read more)
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