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Identify that an ionic bond is a strong attraction due to electrostatic forces between ions with opposite charges.

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Cambridge IGCSE Combined ScienceAtoms, elements and compoundsCore content

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Identify that an ionic bond is a strong attraction due to electrostatic forces between ions with opposite charges

This point belongs to Ions and ionic bonds, especially Ions and ionic bonds outcomes.
You need to be able to identify that an ionic bond is a strong attraction due to electrostatic forces between ions with opposite charges.
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Paper 3 structured question: Ions and ionic bonds

Paper 3Theory (Core)3 marks

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Ionic Bonding in NaCl

Sodium chloride is formed when sodium (Na) and chlorine (Cl) react. Sodium loses one electron to become Na+, while chlorine gains that electron to become Cl-. The resulting Na+ and Cl- ions attract each other, forming NaCl.

a
Explain the process of ionic bonding in sodium chloride.
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Explain how positive ions, called cations, and negative ions, known as anions, are formed.
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Explain how ionic bonds are formed between elements from Group I and Group VII, using dot-and-cross diagrams to illustrate.
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Outline the characteristics of ionic compounds, including: (a) their high melting and boiling points, (b) their ability to conduct electricity when dissolved in water or melted, but not when solid, and (c) their general solubility in water.
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Explain how ionic bonds are created between metallic and non-metallic ions, including the use of dot-and-cross diagrams for representation.
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Describe the giant lattice structure of ionic compounds, which consists of a regular pattern of alternating positive and negative ions, using sodium chloride as an example.
Ions and ionic bonds outcomes

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