Ions
An ion is a positively or negatively charged atom (or group of atoms). Examples of the ions are :sodium ion, , magnesium ion, , chloride ion, ,and oxide ion, . An ion is formed by the loss or gain of electrons by an atom, so it contains an unequal number of electrons and protons.There are two types of ions : cations and anions.
Notes
Atoms and Molecules - Notes
2. Monovalent Cations (Cations Having a Valency of 1+)
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3. Divalent Cations (Cations Having a Valency of 2+)
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4. Trivalent Cations (Cations Having a Valency of 3+)
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6. an example, let us give the significance of symbol C
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7. Formulae of Some Molecular Compounds
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8. Molecular Formulae of Some Common Elements
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9. 2. A Negatively Charged Ion is Known as Anion
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12. As an example, let us give the significance of the formula H
2O
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13. Explanation of the Law of Conservation of Mass
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16. Simple Ions and Compound Ions (Polyatomic Ions)
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23. Gram Atomic Mass And Gram Molecular Mass
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26. 1. A Positively Charged Ion is Known as Cation
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33. Explanation of the Law of Constant Proportions
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34. Significance of the Formula of a Substance
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38. Molecular Masses of Some Common Elements
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39. Divalent Anions (Anions Having a Valency of 2-)
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42. Symbols Derived from Latin Names of the Elements
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45. Writing Of Formulae Of Ionic Compounds
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48. Writing Of Formulae Of Molecular Compounds
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49. Atomic Masses of Some Common Elements
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