Learning objective
State that atoms are very small, with a radius of about 0.1 nm.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Subtopic
Size and mass of atoms
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Quick explanation
State that atoms are very small, with a radius of about 0.1 nm
- This point belongs to A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, especially Size and mass of atoms.
- You need to be able to state that atoms are very small, with a radius of about 0.1 nm.
- The key ideas to know are state, atoms, and very.
- 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 Size and mass of atoms to exam-style questions, flashcards, and revision notes for A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes.
Quick student answer
What should you know about atoms are very small, with a radius of about 0.1 nm?
Direct answer
In Chemistry, this page helps you answer questions about atoms are very small, with a radius of about 0.1 nm within A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are atomic radius and nucleus.
Key terms
- atomic radius: the distance from the nucleus to the outermost electron shell, approximately 0.1 nm.
- nucleus: the central part of an atom, containing protons and neutrons, and much smaller than the atom itself.
Common trap
Misunderstanding Atomic Size: Remember that atoms are very small, with a radius of about 0.1 nm, which is much smaller than what we can see without specialized equipment.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Define an atom as the smallest part of an element that can exist.
Atoms, elements and compounds
- Explain that each element is represented by a chemical symbol, using examples such as O for oxygen and Na for sodium.
Atoms, elements and compounds
- Describe elements as substances made from one type of atom and shown in the periodic table.
Atoms, elements and compounds
- Describe compounds as substances made from two or more elements chemically combined in fixed proportions.
Atoms, elements and compounds
- Explain that compounds can only be separated into elements by chemical reactions.
Atoms, elements and compounds