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CAIE IGCSE Chemistry Ionic Bond Formation

Practise showing electron transfer between Group I and Group VII atoms and drawing the resulting ions with full outer shells and correct charges.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • show a Group I atom losing one electron and a Group VII atom gaining that electron
  • draw bracketed dot-and-cross ions with complete outer shells and the correct charges
  • describe the ionic bond as electrostatic attraction between the positive and negative ions

2.4.3—Formation of ionic bonds between question 1

[Maximum number: 3]

Fluorine and chlorine are halogens.

Lithium chloride, LiCl , is an ionic compound.

Complete the dot-and-cross diagram to show the electron arrangement and charges of the ions in lithium chloride.

Figure for Question 2.4.3—Formation of ionic bonds between question 1 — CAIE IGCSE Chemistry
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