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Cambridge Secondary (7-9). Stage 9. MCE Science. Student Book - Unit 4: The Structure of the Atom and the Periodic Table - Question 25

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

Question 25

Use the words below to complete the sentences that describe the structure of an atom.

electrons · neutrons · nucleus · shells · protons

An atom has positively charged ________ and neutral ________ in its ________. The very small, negatively charged ________ circle around the outside in ________.
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