Chemistry map

See the patterns behind the table.

Groups explain families. Periods explain rows. Trends connect position to behaviour.

Radius, ionisation energy, electronegativity and metallic character.

Put two elements side by side and reason from their position.

Explore all 18 groups and their member elements.

Explore all 7 periods and how blocks fill.

Fresh questions drawn from the full element notes.

Race the clock and identify as many elements as you can.

Let chance pick your next element.

Memory hooks in both languages.

One useful rule

Across a period, nuclear charge rises while electrons are added to the same main shell; down a group, extra shells increase distance and shielding.