The electron configuration builder draws shell diagrams for the first twenty elements and their common ions. Pick the element, choose dots or crosses, and compare two species side by side with their periodic table tiles.
A hand-built replica of the real builder page, not a screenshot. Every control shown exists in the product.
The demo shows sodium beside chlorine, the pair every teacher reaches for when introducing ionic bonding. Each diagram is drawn from the real configuration, 2,8,1 for sodium and 2,8,7 for chlorine, with the periodic table tile alongside so pupils connect the shell picture to the numbers they are given in the exam.
Hide electrons to turn the diagram into a question, swap to crosses to match your board convention, and switch either species to its ion to show what changes. Twenty elements and their common ions cover everything GCSE asks pupils to draw, and the finished diagram exports for a worksheet.
Diagnostic multiple choice. Each answer reveals what the class does and doesn't understand.
Click a number and watch it land on a question at random. Built for cold-call questioning.
Automate show, cover, and recall tasks. Great for memorising diagram features or keywords.
Questions beside a visual stimulus. A YouTube clip, diagram, graph, or a paragraph to read closely.
Dot-and-cross diagrams for ionic and covalent bonding, with a stepped build-up, hidden electrons and labels.
Curated, balanced GCSE reaction equations, ready to blank for recall.
Generate chemistry calculations with scaffolded, worked solutions.
Every tool turns a few inputs into a clean, exam-ready diagram.
Practical results tables with repeat readings, a mean and an optional anomaly, plus curated reference data.
Upload any diagram and the labels are suggested for you to drag, edit and blank.
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