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Physics
Atomic structure
Atoms and Isotopes
The structure of an atom
The structure of an atom
What You Need to Know
Describe the basic structure of an atom, including the nucleus and electrons.
State the typical radius of an atom and its nucleus.
Explain how electron arrangements change with the absorption or emission of electromagnetic radiation.
Revision Notes
1
The structure of an atom
15 key terms
Practise with Past Papers
Key Terms & Definitions
Previous Section: Particle model of matter
Increasing the pressure of a gas
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Mass number, atomic number and isotopes
