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Elemental
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Osmium - heavyweight champion of the elements

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Osmium is extremely rare and expensive. It is the densest chemical element, rivals diamond as being the least compressible of all known substances & has a distinctive 'pong' according to Allan Blackman in ep 57 of Elemental.

Listen now 8 min

© RNZ Length 8 min 18 August 2019 Episode 57 ScienceEducational New Zealand Episodic

Full episode description

© RNZ Length 8 min 18 August 2019 Episode 57 ScienceEducational New Zealand Episodic

Tales from the periodic table

Tales from the periodic table

This is an episodic podcast, so you can listen to it in any order, but episode one is a great place to start.

Listen to episode one here

Osmium is extremely rare and expensive. It is the densest chemical element, rivals diamond as being the least compressible of all known substances & has a distinctive 'pong' according to Allan Blackman in ep 57 of Elemental.

Osmium is an extremely rare and expensive transition metal, and only a few hundred kilograms are produced annually.

It is the densest chemical element, and rivals diamond as being the least compressible of all known substances.

It doesn't have many uses, although its hardness makes it useful in fountain pen nibs and clock bearings.

The name osmium comes from the Grek osme, meaning 'smell'. Osmium tetroxide has a distinctive 'pong' according to Allan Blackman, in ep 57 of Elemental.

Go to this episode on rnz.co.nz for more details


© RNZ | 8 min

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