An atom of element Z has three occupied electron shells. It has five fewer electrons than an atom of argon (atomic number 18).
Which row describes element Z?
Group 5, Period 3, non-metal
Group 3, Period 3, non-metal
Group 3, Period 3, metal
Group 5, Period 2, metal
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.