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Structure of the Atom — OCR GCSE Combined Science A J250
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Combined Science
OCR GCSE Combined Science A
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Atomic Structure
Structure of the Atom
OCR GCSE Combined Science A · J250
Structure of the Atom
What you need to know
Describe the structure of an atom as a positively charged nucleus surrounded by negatively charged electrons.
Understand that the nuclear radius is significantly smaller than the overall atomic radius.
Explain that the vast majority of an atom's mass is concentrated within its nucleus.
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Structure of the Atom
6 key terms
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Evolution of the Atomic Model
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Size of Atoms and Molecules
