Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

Fill in the table so that you can work out the numbers of protons, electrons and neutrons in the magnesium atom and the copper ion shown, then name the atom or ion in the last row.
(main)[5]

Fill in the table.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Mg: 12 protons and 13 neutrons” …

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