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Cambridge Secondary (7-9). Stage 9. MCE Science. Workbook - Unit 4: The Structure of the Atom and the Periodic Table - Question 20

Cambridge Secondary (7-9) · Unit 4: The Structure of the Atom and the Periodic Table

Question 20

Which phrase best describes an atom? Tick (✓) the correct answer.
  1. A neutral particle found in the nucleus
  2. The smallest part of an element that keeps its chemical properties
  3. A positively charged particle found in the nucleus
  4. Something that can be found on the Periodic Table
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