Francium is at the bottom of Group 1.
Which prediction about francium is most likely to be correct?
It reacts less vigorously with water than caesium.
It forms an ion with a charge of 1−-− when it reacts.
It reacts with water to form an alkaline solution.
It has a higher melting point than lithium.
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.