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List of common electropositive ions/radicals and electronegative ions/radicals.
01. Monovalent Cations (Cations having a valency of 1+) i) Hydrogen ion, H + ii) Lithium ion, Li + iii) Sodium ion, Na + iv) Potassium ion, K + v) Ammonium ion, NH 4 + vi) Silver ion, Ag + vii) Cuprous ion, Cu + [Copper (I) ion] viii) Mercurous ion, Hg + [Mercury (I) ion] 02. Di..
Group 16 (VIA) Oxygen and Sulphur Summary
Summary - Oxygen and sulphur belong to group VI A. Oxygen shows a valency of -2, while sulphur shows a valency of -2, +4 and +6. Industrially oxygen is manufactured by fractional distillation of liquid air free of dust particles and CO 2 . Oxides of mercury, silver and lead deco..
The Reactivity Series of Metals
Although most metals are usually electropositive in nature and lose electrons in a chemical reaction they do not react with the same vigour or speed. Metals display different reactions towards different substances. The greater the ease with which an element loses its electrons and acquires a posit..
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