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10 complete Chemistry slide decks, written and shared by teachers. Free to browse; an account unlocks every slide.

10 lessons shared
hydrogen discharge tube glowing pink laboratory
Sample Questions: Ionisation Energy from Convergence
1. The Lyman series converges to 91.2 nm. Use IE=hc/λlimIE = hc/\lambda_{lim} to find the ionisation energy of hydrogen in kJ mol⁻¹.
2. Calculate the convergence limit wavenumber for the Balmer series and hence the ionisation energy, given RH=1.097×107 m−1R_H = 1.097\times10^7\ \mathrm{m^{-1}}.
3. Explain why lines crowd together at the series limit, and state how the limit gives the energy needed to detach the electron completely.
4. A sample's convergence limit is 45.6 nm. Identify the element and explain your reasoning from its ionisation energy.
Emission Spectra of Hydrogen and Ionisation
WJEC A-Level Chemistry, Unit 1.1.2
Electron transitions, ionisation energy, and the evidence from hydrogen's line spectrum
13 slides

Emission Spectra of Hydrogen and Ionisation

By Helen W

Chemistry · A-Level · WJEC

AS chemistry Emission spectra of hydrogen

New
macro water droplets on green leaf
Covalent Bonding and Simple Molecules
AQA GCSE Chemistry | Topic 4.2 Structure and Bonding Sharing electrons: non-metal atoms form covalent bonds to gain a full outer shell.
9 slides

Covalent Bonding and Simple Molecules

By BA Library

Chemistry · GCSE · AQA

Sharing electrons, dot-and-cross diagrams, and simple molecular substances.

Used by 1 teacher
electrolysis experiment
Electrolysis
Splitting ionic compounds using electricity — Required practical • Key GCSE topic
6 slides

Electrolysis

By BlueAcorn Admin

Chemistry · GCSE · AQA

Used by 1 teacher
molten steel pouring in foundry
Metallic Bonding and Properties of Metals
How a sea of delocalised electrons holds a giant metallic lattice together – and explains why metals conduct, bend and melt
9 slides

Metallic Bonding and Properties of Metals

By BA Library

Chemistry · GCSE · AQA

The structure of metals, the sea of delocalised electrons, and why metals conduct.

Not used yet
Salt's Hidden Strength
Why do two dangerous elements combine to make a safe, strong crystal?
sodium metal reacting in water beaker
10 slides

Ionic Bonding and Ionic Compounds

By BA Library

Chemistry · GCSE · AQA

How ions form, ionic lattices, and the properties of ionic compounds.

Not used yet
Electronic Structure and Electron Configuration
AQA GCSE Chemistry 4.1.1.7 — energy levels, electron shells and predicting reactivity from configuration
9 slides

Electronic Structure and Electron Configuration

By BA Library

Chemistry · GCSE · AQA

Electron shells, energy levels, and writing electronic configurations.

Not used yet
The Table That Predicts
What is inside an atom that makes the periodic table able to predict elements that no one has even discovered yet?
periodic table chart hanging on classroom wall
9 slides

Atomic Structure and the Periodic Table (AQA GCSE Chemistry)

By BA Library

Chemistry · GCSE · AQA

Protons, neutrons and electrons, atomic number, mass number, and how the periodic table is arranged.

Not used yet
Key words: element, compound, ore
Element
Element
A substance made of only ONE type of atom – it cannot be broken down chemically. Metals like iron and copper are elements.
Compound
Compound
A substance made of two or more elements chemically joined in fixed proportions. Example: iron oxide, found in rocks.
Ore
Ore
A rock that contains enough metal (in a compound) to make extraction worthwhile. Extracting the metal needs a chemical reaction.
13 slides

The Reactivity Series: How Metals React and How We Extract Them

By Isabella Lassman

Chemistry · GCSE · AQA

Not used yet