Elements P, Q and R have consecutive atomic numbers, in that order. All three atomic numbers are between 3 and 20. Q is a noble gas.
Statement 1: P forms ions with a 1−1-1− charge
Statement 2: R reacts with water to form an alkaline solution
Statement 3: P, Q and R are all in the same period
Which statements are correct?
1 only
2 only
1 and 2 only
1, 2 and 3
75 exam-style questions on Edexcel GCSE Chemistry 7.1 Group 1, covering 7.1.1 Classifying elements by group in the periodic table and 7.1.2 Properties and reactions of the alkali metals. Each one has a worked solution and a mark scheme showing where the marks go.