CAIE IGCSE Chemistry 8.1.4 Similarities in the chemical
Practise explaining why elements in the same group react similarly by comparing their outer-shell electron arrangements.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- explain similar chemical properties by the same number of outer-shell electrons
- compare same-group atoms by outer electrons while distinguishing different shell numbers
- use electron transfer to justify whether an element behaves as a metal or non-metal
8.1.4—Similarities in the chemical question 1
[Maximum number: 1]
Fluorine, chlorine and bromine are in Group VII of the Periodic Table.
Explain why Group VII elements have similar chemical properties.
same number of outer shell electrons
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