Myers Science Hub Premium • IGCSE Chemistry 0620

C2 Bonding and Structure: Syllabus 2.3–2.7

Interactive lesson activity and secure 20-question MCQ assessment covering isotopes, ions, ionic bonding, covalent bonding, giant covalent structures and metallic bonding.

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Learning Objectives

Define isotopes as atoms of the same element with the same number of protons but different numbers of neutrons.
Explain how atoms form positive and negative ions.
Describe ionic bonding as electrostatic attraction between oppositely charged ions.
Describe covalent bonding as the sharing of pairs of electrons.
Compare simple molecular, giant covalent and metallic structures using melting point, conductivity and physical properties.

Embedded Video Learning Stations

2.3 Isotopes

2.4 Ionic bonding

2.5 Types of bonding overview

2.6 Giant covalent structures

2.7 Metallic bonding

Video links are embedded as YouTube embed URLs for student access.

Lesson Activity: Bonding Detective

Task: Use the videos and your class notes to complete the prompts below before answering the MCQs.

1. Explain isotopes in your own words.

2. Describe how a sodium ion forms.

3. Compare ionic and covalent bonding.

4. Explain why graphite conducts electricity but diamond does not.

5. Explain why metals are both conductive and malleable.

20 MCQ Assessment

Select one answer for each question. The answer key is not stored in this file; grading is handled securely by the backend.