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The ground state electron configurations...

The ground state electron configurations listed here are incorrect. Identify the mistakes that have been made in each and write the correct electronic configurations.
`B: 1s^(2) 2s^(2) 2p^(5)`

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Atomic number of boron is 5, so its electron configuration would be `1s^2 2^s 2p^1,` the configuration written above is that of fluorine.
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