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An element A has 2 electrons in its, fou...

An element A has 2 electrons in its, fourth shell. State its valency

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To determine the valency of element A, which has 2 electrons in its fourth shell, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Electron Configuration**: - The element A has 2 electrons in its fourth shell. The electron configuration can be represented as follows: - The first shell (K shell) can hold a maximum of 2 electrons. - The second shell (L shell) can hold a maximum of 8 electrons. ...
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