Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

An atom is made up of protons, neutrons and electrons.

(a)[3]

Complete the table so that it shows the relative mass and the relative charge of a proton, a neutron and an electron.

(b)[5]

Complete the table below.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Proton: relative mass 1 and charge +1” …