What did J.J. Thomson suggest about the structure of the atom?
The atom contains a dense, positively charged nucleus.
Atoms are indivisible, solid spheres.
The atom is a sphere of positive charge with negative electrons embedded in it.
Electrons orbit the nucleus at specific distances in energy levels.
77 exam-style questions on OCR GCSE Chemistry Atomic structure. Each one has a worked solution and a mark scheme showing where the marks go.