Read the full show notes

In this episode we:

• define acids (and bases)
• discuss why acids are SO reactive
• define and compare weak acids and strong acids (and talk about the common mistake made)
• talk about why pH is useful, and define how to calculate it

Suggested listening: Also listen to episode 10 which discusses the assumptions used when making calculations involving weak acids, and introduces the acid dissociation constant.

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In this episode we consider how to quantify the position of equilibrium using the equilibrium constant Kc.

We also talk through which changes of conditions cause a change in Kc value, and which don't. This will be something that will come up in your exams!

You can read the article How to Use the Equilibrium Constant Kc

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Find out more about the Chemistry Made Simple academy



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Read the show notes and article Equilibria and Reversible Reactions

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Read the companion article What are Isotopes?

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Download our guide to Mass How Mass Spectrometers Work

Read the article How Mass Spectrometers Work

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Atomic orbitals download

In this episode, I start by giving a definition of atomic orbitals.

I talk about the different types and shapes, and explain that there are rules about which shell each orbital type can exist in.

How many orbitals of each type? We talk about that too.

Read more

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Read the article What is Quantum Mechanics and How Does it Affect the Atomic Model?

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Quantum mechanics is one of those phrases that makes many a chemistry student lose sleep. Because quantum mechanics, or quantum theory, is our attempt to describe the counter-intuitive behaviour of tiny particles.

In this episode, we use two analogies to explain the discontinuous nature of quantum behaviour.

From those analogies, we introduced the concept of quantum numbers. And we go into some detail of the four quantum numbers that apply to electrons, as well as introducing how these affect the structure of atoms.

Get a download mentioned in the episode here https://chemistrymadesimple.net/quantum/

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The atomic model you have been using so far is nice and basic, and simple to understand and apply. No awkward, inconsistent rules to worry about.

But it has limitations.

These limitations stop it from being useful beyond the first 20 elements, and for concepts that you are going to be using from this level.

In the advanced model you'll discover that atoms are not that 2 dimensional, "solar system" model. You'll learn that electrons exist in orbitals within the shells, and that each shell can accommodate a different number of electrons.

Read more

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An introduction to your host Matthew, and how he can help you grow your chemistry grade.

His key value is to demystify chemistry as much as possible, to clear the fog, to simplify.

Each episode will bring you the essence of a topic, the clear account of what you need to know. An account that has been distilled through his face-to-face tuition with students just like you.

Find out more about the Chemistry Made Simple academy



Contact me:

Instagram @chemistrymadesimple

Email [email protected]

Want to know more, or support the show? Become a Patreon supporter of the podcast and get more from each episode patreon.com/chemistrymadesimple