Fluorine is more reactive than chlorine.
Which explanation is correct?
Fluorine atoms lose an electron more easily, as the outer shell is closer to the nucleus.
Fluorine atoms gain an electron more easily, as the outer shell has more electrons.
Fluorine atoms gain an electron more easily, as the outer shell is closer to the nucleus.
Fluorine atoms gain an electron more easily, as the outer shell is more shielded.
60 exam-style questions on OCR GCSE Chemistry 4.1 Predicting chemical reactions, covering 4.1.1 Properties and trends in Groups 1, 7 and 0, 4.1.2 Properties of the transition metals, 4.1.3 Reactivity predicted from position in the Periodic Table, and 4.1.4 Reactivity of metals and the reactivity series. Each one has a worked solution and a mark scheme showing where the marks go.