Cambridge IGCSE 0620 · Chemistry

Question
An atom contains protons, neutrons and electrons. It is known that the relative mass of a proton is 1, and the relative charge of an electron is -1.
[4 marks] Describe / Explain
Write your answer

Marking your answer… please wait

Try it free — the AI marks 3 answers a day. A free account marks 30 a day. Sign up free →
📖 Input mode Study the worked solution, then try one like it. Revealed questions aren't counted. Back to practice mode