Element M is an alkali metal. It is found lower down Group 1 than potassium.
Which statement correctly predicts how an atom of M compares with an atom of potassium?
The outer electron of an M atom is less shielded than that of a potassium atom.
An M atom loses its outer electron more easily than a potassium atom.
An M atom has fewer occupied electron shells than a potassium atom.
An M atom has more electrons in its outer shell than a potassium atom.
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.