Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Find out how to listen to other BBC stations

Bitesize GCSE Chemistry

Sunayana Bhargava and Tulela Pea take you through the main things you need to know for your GCSE Chemistry exam. In these series, they explain multiple key parts of the syllabus.

Sounds,24 episodes

Episodes

ListGrid

3. Chemical Changes
1. The pH scale
Sunayana and Tulela define acids, alkalis and the pH scale.
29 Feb 2024,10 mins
3. Chemical Changes
2. The reactivity series of metals
Sunayana and Tulela explore the reactivity series of metals and displacement of metals.
29 Feb 2024,9 mins
3. Chemical Changes
3. Salt formation
Sunayana and Tulela explore chemical reactions that form salts and how they are named.
29 Feb 2024,10 mins
3. Chemical Changes
4. Redox reactions
Sunayana and Tulela explore how metals react with oxygen to form metal oxides.
29 Feb 2024,9 mins
3. Chemical Changes
5. Redox in terms of electrons
Tulela and Sunayana explore redox reactions in terms of gain or loss of electrons.
29 Feb 2024,10 mins
3. Chemical Changes
6. Electrolysis of molten solutions
Tulela and Sunayana explore electrolysis of molten ionic compounds.
29 Feb 2024,10 mins
3. Chemical Changes
7. Extracting metals using electrolysis
Tulela and Sunayana explore electrolysis to extract metals from molten compounds.
29 Feb 2024,9 mins
3. Chemical Changes
8. Electrolysis of aqueous solutions
Tulela and Sunayana explore electrolysis of an aqueous solution.
29 Feb 2024,10 mins
2. Bonding, Structure and Properties
1. Ionic bonding
Dr Sunayana Bhargava and Tulela Pea define ions and ionic bonding.
29 Feb 2024,9 mins
2. Bonding, Structure and Properties
2. Properties of ionic compounds
Dr Sunayana Bhargava and Tulela Pea explore the properties of ionic compounds.
29 Feb 2024,9 mins
2. Bonding, Structure and Properties
3. Covalent bonding
Dr Sunayana Bhargava and Tulela Pea define covalent bonding.
29 Feb 2024,9 mins
2. Bonding, Structure and Properties
4. Properties of giant covalent compounds
Dr Sunayana Bhargava and Tulela Pea explore the properties of giant covalent structures.
29 Feb 2024,9 mins
2. Bonding, Structure and Properties
5. Metallic bonding
Dr Sunayana Bhargava and Tulela Pea explore metallic bonding and properties of metals.
29 Feb 2024,7 mins
2. Bonding, Structure and Properties
6. Allotropes of carbon
Dr Sunayana Bhargava and Tulela Pea look at the different allotropes of carbon.
29 Feb 2024,8 mins
2. Bonding, Structure and Properties
7. States of matter
Dr Sunayana Bhargava and Tulela Pea explore the states of matter: solid, liquid and gas.
29 Feb 2024,10 mins
2. Bonding, Structure and Properties
8. Nanoparticles
Dr Sunayana Bhargava and Tulela Pea explore nanoparticles.
29 Feb 2024,8 mins
1. Atomic Structure and the Periodic Table
1. Atoms, elements and compounds
Dr Sunayana Bhargava and Tulela Pea define atoms, elements, compounds and mixtures.
29 Feb 2024,10 mins
1. Atomic Structure and the Periodic Table
2. The history of the atom
Dr Sunayana Bhargava and Tulela Pea look at the history of the atomic model.
29 Feb 2024,10 mins
1. Atomic Structure and the Periodic Table
3. Atomic structure
Dr Sunayana Bhargava and Tulela Pea explore atomic structure.
29 Feb 2024,10 mins
1. Atomic Structure and the Periodic Table
4. Isotopes
Dr Sunayana Bhargava and Tulela Pea define isotopes of elements.
29 Feb 2024,8 mins
1. Atomic Structure and the Periodic Table
5. Filtration, evaporation and crystallisation
Dr Sunayana Bhargava and Tulela Pea explore filtration, evaporation and crystallisation.
29 Feb 2024,8 mins
1. Atomic Structure and the Periodic Table
6. Distillation and chromatography
Dr Sunayana Bhargava and Tulela Pea explore distillation and chromatography.
29 Feb 2024,9 mins
1. Atomic Structure and the Periodic Table
7. The periodic table
Dr Sunayana Bhargava and Tulela Pea look at how the periodic table developed.
29 Feb 2024,9 mins
1. Atomic Structure and the Periodic Table
8. Groups in the periodic table
Dr Sunayana Bhargava and Tulela Pea look at Groups 1, 7 and 0 of the Periodic table.
29 Feb 2024,10 mins