The "plum pudding" model is an early representation of atomic structure.
Which statement about this early model is not included in the atomic model accepted today?
The positive charge is distributed uniformly throughout a sphere of the atom's volume.
The electrons are negatively charged.
The atom contains both positive and negative charges.
There are small subatomic particles called electrons.
114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.