Episode 130: Transition Metal Chemistry

The Science of Everything Podcast

James Fodor

Natural Sciences, Science, Social Sciences

4.8 • 750 Ratings

🗓️ 31 July 2022

⏱️ 78 minutes

🔗️ Recording | iTunes | RSS

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Summary

I introduce the unique and diverse chemistry of the transition metal elements, also known as the d-block metals. I begin with an overview of transition metal properties and ores, and then discuss coordination complexes, ligands, denticity, chelation, coordination geometries, isomerism, and the difference between strong and weak field ligands. We then examine how crystal field theory can explain many properties of transition metals, including their unique colouration and magnetic properties. The episode concludes with an overview of organometallic compounds and ligand field theory, including how pi-bonding can explain the difference between strong and weak field ligands. If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon supporter. https://www.patreon.com/jamesfodor https://www.paypal.me/ScienceofEverything

Transcript

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0:00.0	Oh, wow, oh, oh, wow, oh, wow, oh, wow.
0:13.0	Oh, wow.
0:15.0	Oh, my.
0:17.0	Oh, James. Hello, you're listening to The Science of Everything podcast, episode 130, Transition Metal Chemistry.
0:40.8	I'm your host, James Fodor.
0:42.7	In this episode, we're going to talk about the chemistry of transition metals, which are the metals that exist along the middle of the periodic table,
0:50.1	which actually encompasses kind of the majority of the elements in the periodic table,
0:54.3	which often get neglected in popular discussions and in introductory courses.
0:59.2	So hopefully we're going to remedy a bit of that today.
1:02.3	In particular, I'm going to talk about transition metals, what they are, what's special about them.
1:07.3	And then I'm going to talk about two of the major types of structures that they form,
1:10.8	so coordination complexes and organometallic compounds. Okay. about them. And then I'm going to talk about two of the major types of structures that they form. So
1:10.9	coordination complexes and organ and metallic compounds. I'm going to talk about concepts such as
1:16.7	coordination number and the geometry of ligands, isomerism, chelation, strong and weak field,
1:22.6	ligands as well as the different reaction mechanisms. I'll also talk about the differences between
1:27.0	crystal field theory and ligand field theory
1:29.2	and how those structural theories are able to help us understand some of the various properties
1:34.1	of transition metals.
1:36.3	And I'll apply some of these concepts to understand certain more well-known properties of
1:40.9	transition metals, including their magnetic properties and their reactivity and
1:45.6	their distinctive coloration. Recommended pre-listing for this episode is episode 15, chemical bonding.
1:52.3	You might also gain some benefit from listening to episodes 119 and 120 on computational chemistry,
	...

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