Element X has the electronic structure 2.8.8.1. Element Y has the electronic structure 2.8.1.
Statement 1: X and Y are in the same group because their atoms both have one outer shell electron.
Statement 2: X is more reactive than Y because its outer electron is further from the nucleus.
Statement 3: Y has a higher atomic number than X.
Which statements are correct?
1 only
2 and 3 only
1 and 2 only
1, 2 and 3
64 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.