This PowerPoint presentation goes through the basics of ion formation and is suitable for GCSE and IGCSE Level students. Metals are clearly shown to lose electrons, whereas non-metals are clearly shown to gain electrons. Key words such as ‘anion’ and ‘cation’ are included, and electron shell/‘dot and cross’ diagrams with sqaure brackets are given (i.e. in the same format as required by the exam).
Activities included (feel free to edit or modify after download):
- Whiteboard.fi starter
- Main teaching content (beginning from first principles with simple atomic structure, leading into ion formation)
- Google Doc suggested plenary (feel free to copy the slide into a Google Doc. or print for students to fill in)
Some syllabus references that this PPT satisfies (to name but a few):
AQA GCSE Chemistry:
4.2.1.1 Chemical Trends:* Ionic bonding occurs in compounds formed from metals combined with non-metals.*
4.2.1.2 Ionic Bonding: Students should be able to draw dot and cross diagrams for ionic compounds formed by metals in Groups 1 and 2 with non-metals in Groups 6 and 7.
**Edexcel IGCSE Chemistry: **
1.37: Understand how ions are formed by electron loss or gain
1.40: Draw dot-and-cross diagrams to show the formation of ionic compounds by electron transfer, limited to combinations of elements from Groups 1, 2, 3 and 5, 6, 7
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