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Cambridge Secondary (7-9). Stage 9. MCE Science. Workbook - Unit 5: Chemical Bonding and Structure of Materials - Question 23

Cambridge Secondary (7-9) · Unit 5: Chemical Bonding and Structure of Materials

Question 23

Tick (✓) the correct answer.

How is a molecule formed?
  1. When two or more elements bond together
  2. When two or more compounds bond together
  3. When two or more atoms join chemically through an ionic bond
  4. When two or more atoms join chemically through a covalent bond
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