A student builds a ball and stick model of a methane molecule. Which is a limitation of this model?
The bonds and bond angles are hard to see
It suggests large gaps between bonded atoms
It cannot show the three-dimensional shape
It shows every bond angle as a right angle
122 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.