4. What is an ion? Explain the types of ion with examples.

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An ion is an electrically charged atom or molecule resulting from the loss or gain of one or more electrons. There are two main types of ions: Cations: These are positively charged ions formed by the loss of one or more electrons from a neutral atom. For example, Na+ (sodium ion) is formed by the loss...
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An ion is an electrically charged atom or molecule resulting from the loss or gain of one or more electrons. There are two main types of ions: Cations: These are positively charged ions formed by the loss of one or more electrons from a neutral atom. For example, Na+ (sodium ion) is formed by the loss of one electron from a neutral sodium atom. Anions: These are negatively charged ions formed by the gain of one or more electrons by a neutral atom. For example, Cl- (chloride ion) is formed by the gain of one electron by a neutral chlorine atom. read less
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