Ions and Ion Formation
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About this topic
This topic explores the formation of ions, which is essential for understanding ionic bonding and redox reactions in the Zambian secondary curriculum. You will learn how atoms gain or lose electrons to form cations and anions, relate ionic charges to valencies, and identify common radicals like carbonate and sulphate. Mastery of ion formation allows you to predict formulas of ionic compounds and is a prerequisite for writing balanced chemical equations. ECZ exam questions often test the ability to deduce ion charges and valencies. Competence-based learning here builds confidence in handling chemical nomenclature and stoichiometry, directly contributing to your readiness for both continuous assessment and national examinations.
What you'll practise (3 questions)
- What is an ion?
- What is a cation?
- What is an anion?
Answer each question above to see the correct answer and a full explanation.