Learning objective
State that nearly all the mass of an atom is concentrated in the nucleus.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Questions
Topic
Atoms and isotopes
Subtopic
The structure of an atom
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Quick explanation
State that nearly all the mass of an atom is concentrated in the nucleus
- This point belongs to Atoms and isotopes, especially The structure of an atom.
- You need to be able to state that nearly all the mass of an atom is concentrated in the nucleus.
- The key ideas to know are nucleus and atom.
- 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 structure of an atom to exam-style questions, flashcards, and revision notes for Atoms and isotopes.
Quick student answer
Why does nearly all the mass of an atom is concentrated in the nucleus?
Direct answer
In Physics, this page helps you answer questions about nearly all the mass of an atom is concentrated in the nucleus 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 nucleus and atom.
Key terms
- nucleus: The small central part of an atom that contains protons and neutrons.
- atom: The basic unit of a chemical element, consisting of a nucleus surrounded by electrons.
Common trap
Mass Concentration Misunderstanding: Emphasize that nearly all the mass of an atom is concentrated in the nucleus, which contains protons and neutrons, while electrons have negligible mass.
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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
- Describe electrons as negatively charged particles arranged in shells or energy levels around the nucleus.
The structure of an atom
- Compare the relative charges of protons, neutrons and electrons.
The structure of an atom