Cambridge IGCSE Physics
5.1.1The atom
The atom in Cambridge IGCSE Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic12 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 5.1.1.1Describe an atom as a positively charged nucleus with negatively charged electrons orbiting it.
- 5.1.1.2Know how atoms become positive ions by losing electrons or negative ions by gaining them.
- 5.1.1.3Supplement: describe how alpha-particle scattering by thin metal foil supports the nuclear model: a tiny nucleus in mostly empty space, holding most of the mass and positive charge.
Lessons
- Full access
The structure of the atom
25 min
Join to read every lesson, or see what Full access includes.
Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn The atom into a strength.
Practise with instant marking, see your mastery grow and get a study plan built around your exam date.