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Paper 3Theory (Core)3 marks
Ionic bonding between sodium and chlorine.
Description
Ionic Bonding
Sodium (Na) from Group I loses one electron to become Na⁺, while chlorine (Cl) from Group VII gains that electron to become Cl⁻. The resulting Na⁺ and Cl⁻ ions attract each other, forming sodium chloride (NaCl).
- a[3]
Explain how ionic bonds are formed between sodium and chlorine using a dot-and-cross diagram.
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