Learning objective
Define an atom as the smallest part of an element that can exist.
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
Atoms, elements and compounds
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Quick explanation
Define an atom as the smallest part of an element that can exist
- This point belongs to A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, especially Atoms, elements and compounds.
- You need to be able to define an atom as the smallest part of an element that can exist.
- The key ideas to know are atom and element.
- 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 Atoms, elements and compounds 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 is an atom?
Direct answer
In Chemistry, this page helps you answer questions about an atom 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 Atom and Element.
Key terms
- Atom: The smallest part of an element that can exist. In Atoms, elements and compounds, this term helps explain define an atom as the smallest part of an element that can exist for AQA GCSE Chemistry 8462.
- Element: A substance made from one type of atom, represented by a chemical symbol. In Atoms, elements and compounds, this term helps explain define an atom as the smallest part of an element that can exist for AQA GCSE Chemistry 8462.
Common trap
Confusing Atoms and Elements: Remember that an atom is the smallest part of an element that can exist, while an element is made up of one type of atom.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- 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
- Use the names and symbols of the first 20 elements in the periodic table.
Atoms, elements and compounds