Describing salts
Lesson 10 / 19
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I can describe salts and work out their empirical chemical formulae from diagrams, as well as give ionic descriptions of acids and alkalis.
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A salt is formed when an acid neutralises a base.
Salts are giant, 3D ionic structures that form crystals with regular arrangements of ions.
The empirical chemical formula of a salt provides the ratio of metal to non-metal ions it contains.
Acids contain aqueous hydrogen ions, H⁺(aq) and alkalis contain aqueous hydroxide ions, OH⁻(aq).
During a neutralisation reaction: H⁺(aq) + OH⁻(aq) → H₂O(l).
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