Magnesium is in Group 2 and sulfur is in Group 6. They react to form an ionic compound. The symbols are Mg for magnesium and S for sulfur.
Explain how to predict the formula of the compound formed.
113 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.