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            <video:description>Les composés ioniques sont constitués d&#39;ions positifs (cations) et d&#39;ions négatifs (anions). Les charges se neutralisent pour former un composé globalement neutre. Pour nommer un composé ionique binaire (qui ne contient que deux éléments différents), on nomme d&#39;abord l&#39;anion, avec le suffixe -ure, puis le cation. Par exemple, KCl, composé ionique constitué d&#39;ions K⁺ et Cl⁻, s&#39;appelle le chlorure de potassium</video:description>
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