Learning objective
Describe the early model of the atom as a tiny indivisible sphere.
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Topic
Atoms and isotopes
Subtopic
The development of the model of the atom
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Understand this objective
Quick explanation
Describe the early model of the atom as a tiny indivisible sphere
- This point belongs to Atoms and isotopes, especially The development of the model of the atom.
- You need to be able to describe the early model of the atom as a tiny indivisible sphere.
- The key ideas to know are atom, early, and tiny.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect The development of the model of the atom to exam-style questions, flashcards, and revision notes for Atoms and isotopes.
Quick student answer
How does the early model of the atom work?
Direct answer
In Physics, this page helps you answer questions about the early model of the atom within Atoms and isotopes. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are indivisible sphere and plum pudding model.
Key terms
- indivisible sphere: The early model of the atom proposed that it is a tiny, solid, and indivisible particle.
- plum pudding model: A historical model of the atom where negative electrons are embedded within a positively charged 'soup' of charge.
Common trap
Misunderstanding the Early Atom Model: Emphasize that the early model of the atom is defined as a tiny indivisible sphere, with no smaller components.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe atoms as very small particles with a radius of about 1 x 10^-10 metres.
The structure of an atom
- Describe the nucleus as the small central part of an atom.
The structure of an atom
- State that the nucleus contains protons and neutrons.
The structure of an atom
- State that nearly all the mass of an atom is concentrated in the nucleus.
The structure of an atom
- Describe electrons as negatively charged particles arranged in shells or energy levels around the nucleus.
The structure of an atom